The average time between two drops falling t = 2/5 sec.
Equation :To calculate average time use formula,
t + t / product
So,
given,
time = 20 s
drops = 50
average time = ?
From this,
measured time for 50 drops = 20sec
Time required for 1 drop = 20/ 50
Average time between two drops = (2/5 + 2/5) / 2
Hence,
The average time between two drops t = 2 / 5
What is average time?Average Time on Page is a web analytics metric that gauges how long, on average, all website visitors stay on a single page. Only the average amount of time that users spend on non-exit pages is measured by this metric, which ignores exit pages and bounces.
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Question # 1 Multiple Choice A suspect who fakes intellectual disability in order to explain his innocence in a murder _____. is insane is insane is psychotic is psychotic is malingering is malingering has a mental illness
Given what we know we can confirm that a suspect who fakes intellectual disability in order to explain his innocence in a murder is malingering.
What is malingering?This is the action of pretending to be ill in some way in order to avoid a certain responsibility. In this case, the suspect is malingering in order to avoid the consequences of their actions.
Therefore, we can confirm that a suspect who fakes intellectual disability in order to explain his innocence in a murder is malingering.
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One of the main assumptions of the kinetic molecular theory of gases is that the particles of an ideal gas.
One of the main assumptions of the kinetic molecular theory of gases is that the particles of an ideal gas have negligible volume and are in constant, random motion.
The Kinetic Molecular Theory is a theoretical concept that provides a simple model for understanding the behavior of gases. It is based on the assumptions about the motion of gas particles. The Kinetic Molecular Theory of gases comprises the following assumptions:The gas particles are in constant, random motion.The gas particles occupy a large volume compared to their own size.
The gas particles have negligible intermolecular interactions.The gas particles are elastic and hence do not lose energy when they collide.The average kinetic energy of gas particles is proportional to the absolute temperature.The collisions between the gas particles are completely random.The speed of gas particles is proportional to the square root of temperature.
One of the main assumptions of the kinetic molecular theory of gases is that the particles of an ideal gas have negligible volume and are in constant, random motion. The volume of the gas particles is so small that it is considered to be negligible compared to the volume of the container in which the gas is stored. Because the particles are moving constantly and randomly, they collide with each other and with the walls of the container.
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An object with a mass of 5kg accelerates 20m/s" when an unknown force is applied. What is the amount of force?
please help!!
Answer:
100 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 5 × 20
We have the final answer as
100 NHope this helps you
If a ball dropped from a tower reaches the ground after 3.5 seconds, what is the height of the tower?
Given: g = –9.8 meters/second2
Answer:
If a ball dropped from a tower reaches the ground after 3.5 seconds, the height of the tower is 60.025 m.
Explanation:
How to calculate the height of the tower?
The height of the tower can be calculated in this case using the formula :s = ut + 1/2 at²
where s = displacement,
u = initial velocity
t = time traveled
a = acceleration
Solution :
It is given that :
u = 0 (since the ball was dropped, not thrown) t = 3.5 seconds, a = acceleration due to gravity = g = –9.8 meters/second²s = unknown.Putting the values in the equation,
s = ut + + 1/2 at²
= 0 + 1/2 x (-9.8) x 3.5² m
= - 60.025 m.
The negative sign signifies that the displacement has occurred in the downward direction, along the direction of g.
Thus the height of the tower is 60.025 m.
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why it is difficult to run fast in sand
Explanation:
The force exerted by our foot on the sand is less because time taken is large so it is difficult to run fast on sand.
hope it will help you
What is the kinetic energy
Answer:
energy which a body possesses by virtue of being in motion
Explanation:
What is the mass of an object that weighs 20N on earth? Use g=9.8 N/kg
Answer: Therefore, the mass of the object is 2.222 kg on the Earth, Moon, Saturn, Mercury and everywhere else it goes.
Explanation:
Answer:
the mass is 2.04
Explanation:
The weight of an object is calculated by: W=Mg
Solving for M: M=W/9
M=20/9.8 = 2.04
How to convert 200ml to m(3)?
Junita lifts a round box & a square box to a shelf. The GPE for the round box increases by 50 J. The GPE for the square box increases by 100 J. On which box did Junita do more work
Junita will do more work on the square box. when Junita lifts an object to a shelf, she does work on the object, which increases its gravitational potential energy (GPE).
The amount of work done on an object is equal to the increase in its GPE.
Junita lifted a round box and a square box to a shelf. She did work on the boxes, increasing their GPE. The round box's GPE increased by 50 J, meaning Junita exerted 50 J of work.
The square box's GPE increased by 100 J, meaning Junita did 100 J of work on it.
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A peanut burned in a calorimeter transfers 18,200 joules to 100.0 g of water. What is the rise in the water's temperature
The rise in the water's temperature, given that 18200 joules was transferred to the 100.0 g of water is 43.5 °C
How do I determine the temperature rise of the water?Heat transferred I related to temperature rise by the following formula:
Q = MCΔT
Where
Q is the heat transferred M is the mass C is the specific heat capacity ΔT is the temperature riseWith the above formula, we can determine the temperature rise as illustrated below.
The following data were obtained from the question:
Heat transferred (Q) = 18200 JoulesMass of water (M) = 100.0 gSpecific heat capacity of water (C) = 4.184 J/gºC Temperature rise (ΔT) =?Q = MCΔT
18200 = 100 × 4.184 × ΔT
18200 = 418.4 × ΔT
Divide both sides by 418.4
ΔT = 18200 / 418.4
ΔT = 43.5 °C
Thus, we can conclude from the above calculation that the temperature rise of the water is 43.5 °C
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For a hydrogen atom in its ground state, compute(a) the orbital speed of the electron.
The ground state of the hydrogen atom is a state in which the electron orbits the nucleus in the lowest possible energy level.
The speed of an electron in the ground state can be calculated using the following formula: v = αc/n, where α is the fine-structure constant, c is the speed of light, and n is the principal quantum number of the electron. For hydrogen, the principal quantum number n is equal to 1, so we can substitute this value in the formula:v = αc/1v = αcThe fine-structure constant, α, is approximately equal to 1/137, and the speed of light, c, is approximately 3.00 × 10^8 m/s. Therefore, we can calculate the orbital speed of the electron as follows:v = αc = (1/137) × 3.00 × 10^8 m/s = 2.19 × 10^6 m/s
Therefore, the orbital speed of an electron in the ground state of a hydrogen atom is approximately 2.19 × 10^6 m/s.
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an object is experiencing a centripetal acceleration of 36m/s2 while traveling in a circle of radius 15m. what is it's velocity?
The velocity of the object is 23.24 m/s.
What is centripetal acceleration?An attribute of an object moving in a circular route is centripetal acceleration. Any object moving in a circle with an acceleration vector pointing in the direction of the circle's center is said to be experiencing centripetal acceleration.
Given that an object is experiencing a centripetal acceleration of 36m/s^2.
Radius of the circle: r = 15 m.
Then, the velocity of the object is = √(36×15) m/s = 23.24 m/s.
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What is the difference between
longitudinal waves that have
different amplitudes?
Answer:
Wave amplitude of a transverse wave is the difference of height between a crest and the resting position. Wave amplitude of a longitudinal wave is the distance between particles of the medium where it is currently compressed by the wave.
Answer:
A wave caused by a disturbance with more energy has greater amplitude
Explanation:
If two boxes, one with a mass of 4 kg and one with a mass of 10 kg are sitting on a shelf. Explain the differences in their amount of potential energy.
Answer:
The box with a mass of 10 kilograms would have a greater amount of potential energy than the box with a mass of 4 kilograms.
Explanation:
Potential energy can be defined as an energy possessed by an object or body due to its position.
Mathematically, potential energy is given by the formula;
\( P.E = mgh\)
Where,
P.E represents potential energy measured in Joules.
m represents the mass of an object.
g represents acceleration due to gravity measured in meters per seconds square.
h represents the height measured in meters.
Let's assume the height is 5 meters.
Acceleration due to gravity, g = 10 m/s²
For box with mass of 10 kg
\( P.E = 10*10*5\)
P.E = 500 Joules.
For box with mass of 4 kg;
\( P.E = 4*10*5\)
P.E = 200 Joules.
Hence, the box with a mass of 10 kilograms would have a greater amount of potential energy than the box with a mass of 4 kilograms.
What does it mean when it is said that
the action force and reaction force are
both "equal and opposite"?
A. The direction of force is opposite, but the magnitude of
force is equal.
B. The magnitude of force is opposite, but the magnitude of
force is equal
C. Both the direction of force and the magnitude of force
are equal.
D. Both the direction of force and the magnitude of force
are opposite
Answer: A
Explanation: The direction of force is opposite but the magnitude of force is equal.
________ is the speed and direction of an object
Answer:
velocity
Explanation:
plz mark brainliestʕ•ᴥ•ʔ
A car is moving with constant velocity of 30m/s what is it's acceleration in 10s
Answer:
0 m/s²
Explanation:
Acceleration is defined as the rate of change of velocity:
\(acceleration = \frac{change \space\ in \space\ velocity}{time taken}\) .
As the velocity is constant, change in velocity = 0.
∴ acceleration = 0/ 10
= 0 m/s²
At 40 degrees is 25g of NaNO3 saturated or unsaturated?
I think unsaturated
because -
At 55°C, a saturated solution would contain 120 g of solute, NaNO3. (Notice, this point is exactly on the solute's curve). If, for example we mixed in 140 g of NaNO3 instead of 110 g of solute at 55°C, we would create a SUPER saturated solution, because we would be at a point ABOVE the solute's solubility curve.
A metal ball has a mass of 2.05 kg and a volume of 6.8 cm. What is its density? Remember
Answer:
the density is 0.301 :)
What is the S-P interval (lag time) for the seismogram at the Maesters station at The Eyrie (EYR)? a. 29 sec b. 32 sec c. 44 sec d. 72 sec e. 81 sec
Step 1:
The main answer is as follows:
The S-P interval (lag time) for the seismogram at the Maesters station at The Eyrie (EYR) is X seconds.
Step 2:
What is the duration of the S-P interval (lag time)?
Step 3:
The S-P interval, also known as the lag time, is the time difference between the arrival of the S-wave and the P-wave on a seismogram. The S-wave is a secondary wave that follows the primary P-wave in seismic events. By measuring the time interval between the arrival of these two waves, seismologists can estimate the distance between the seismic event and the recording station.
To determine the S-P interval, seismologists analyze the seismogram recorded at the Maesters station at The Eyrie (EYR). They identify the arrival times of the P-wave and the S-wave and calculate the time difference between them. This lag time provides valuable information about the distance of the earthquake from the station.
In this case, the specific value of the S-P interval is not provided, so it cannot be determined without additional information. The correct option can only be determined by referring to the specific seismogram or data associated with the seismic event.
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your car travels north along the highway at a constant speed of 65 mph for 30 minutes. compute the magnitude of the acceleration that the car experiences. (there are 1608 meters in a mile)
Since the velocity is constant, the change in velocity is 0, which means that the acceleration is also 0. Therefore, the magnitude of the acceleration that the car experiences is 0.
The speed of the car is given as 65 miles per hour (mph). Therefore, the speed of the car is given by:
v = 65 mph
The time taken by the car to travel is given as 30 minutes. Therefore, the time taken is given by:
t = 30 minutes
= (30/60) hours
= 0.5 hours.
The distance traveled by the car can be calculated using the formula :
d = v × td
= (65 × 0.5) miles
= 32.5 miles1 mile is equal to 1608 meters.
Therefore, the distance traveled by the car is:
d = 32.5 miles
= (32.5 × 1608) meters
= 52140 meters
The magnitude of the acceleration that the car experiences can be calculated using the formula: a = Δv/Δt
Here, Δv is the change in velocity and Δt is the time interval. In this case, the velocity is constant.
Therefore, Δv = 0
We know that, v = d/t
Rearranging this formula, we can write t = d/v
Substituting the values of d and v, we get:
t = (52140 meters)/(29.0576 meters per second)
= 1794.79 seconds
The time interval is given as 0.5 hours, which can be converted to seconds as follows:
Δt = 0.5 hours × 3600 seconds/hour
= 1800 seconds
We can now substitute the values of Δv and Δt into the formula for acceleration.
a = Δv/Δt
= 0/1800
= 0
Therefore, the magnitude of the acceleration that the car experiences is 0.
To calculate the magnitude of the acceleration that the car experiences, we first need to calculate the distance traveled by the car. Using the formula for distance, we can calculate that the distance traveled by the car is 52140 meters. Since the velocity is constant, the change in velocity is 0, which means that the acceleration is also 0. Therefore, the magnitude of the acceleration that the car experiences is 0.
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Wave 1
a) How many waves are there in this wave train?
b) Wavelength cm c) Amplitude
cm
Answer:
see below
Explanation:
a wave means one complete wave which is 1 period
so a) 5 complete waves
wavelength is the shortest distance between any two points in phase
so wavelength = 1 CM
amplitude of a wave is the maximum displacement of a particle from its rest position
so amplitude = 3 CM
hope this helps
A certain current source provides 100milli ampere to a 1kilo ohm load. if the resistance is decreased to 500 ohm,what the current in the load?
According to Ohm's Law, the relationship between current (I), voltage (V), and resistance (R) is given by the equation: I = V/R.
Given:
Current (I1) = 100 milliamperes = 100 mA = 0.1 A
Resistance (R1) = 1 kiloohm = 1000 ohms
Resistance (R2) = 500 ohms
To find the current in the load when the resistance is decreased to 500 ohms, we can use the equation I2 = V/R2, where I2 is the new current and V is the voltage.
Since the current source is providing a constant current, the current (I1) will remain the same regardless of the resistance change. Therefore, we can set I1 = I2.
Using Ohm's Law, we can rearrange the equation as V = I * R.
For the initial situation:
V1 = I1 * R1
For the new situation:
V2 = I2 * R2
Since V1 = V2 (the voltage provided by the current source remains the same), we can set them equal:
I1 * R1 = I2 * R2
Substituting the given values:
0.1 A * 1000 ohms = I2 * 500 ohms
Solving for I2:
I2 = (0.1 A * 1000 ohms) / 500 ohms
I2 = 0.2 A
Therefore, when the resistance is decreased to 500 ohms, the current in the load will be 0.2 amperes or 200 milliamperes.
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w of moons or Tug between moon an EARTH the Milankovich precession of Barth's rotational axis is not to be con- od with the one-year orbit of Earth about the sun (Fig. 18.11). At the present time in the Northern Hemisphere the date of the winter solstice is that of the shortest day of the year (December 22), whereas the date of the summer solstice is that of the longest day of the year (June 22). In the South- ern Hemisphere the opposite applies. Q189 The two globes in Figure 18.11 are labeled A and B. Question: Which of the two is in the position of the summer solstice. A or B? Q18.10 Incidentally, outdoor tennis is a summer sport. So why is the Aus- tralian Open held in January, where as the French Open is held in June? Figur the sul solstic rotati revol is rela with finger is reli
Globe B is in the position of the summer solstice.
The summer solstice occurs when the tilt of the Earth's axis is inclined towards the Sun, resulting in the longest day of the year in the Northern Hemisphere. In Figure 18.11, the two labeled globes represent the Earth at different positions in its orbit.
Since the date of the summer solstice is mentioned as June 22, the globe labeled B must be in the position of the summer solstice because it corresponds to the time when the Northern Hemisphere experiences summer.
Globe A, therefore, represents the position of the winter solstice, which occurs when the Earth's axis is tilted away from the Sun, resulting in the shortest day of the year in the Northern Hemisphere.
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Find the minimum initial height hmin at which the car can be released that still allows the car to stay in contact with the track at the top of the loop. Express your answer numerically, in meters. View Available Hint(s)
Minimum initial height for car to stay in contact with loop: 25m, found using conservation of energy and centripetal force.
To find the base beginning level, we can utilize the preservation of energy rule. At the highest point of the circle, the vehicle's potential energy is switched over completely to dynamic energy, and this motor energy is adequate to keep the vehicle in touch with the track.
The base introductory level happens when all the potential energy is changed over into dynamic energy at the highest point of the circle.Utilizing the protection of energy guideline, we have:
\(mgh = (1/2)mv^2 + mg(2r)\)
Where m is the mass of the vehicle, h is the underlying level, v is the speed of the vehicle at the highest point of the circle, g is the speed increase because of gravity, and r is the span of the circle.At the highest point of the circle, the ordinary power gives the centripetal power expected to keep the vehicle in touch with the track, so we have:
\(N = mg + (mv^2)/r\)
Setting N = 0 (least level), we get:
hmin = 5r/2
Subbing r = 10 m, we get:
hmin = 25 m.
Consequently, the base starting level at which the vehicle can be delivered is 25 meters.
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(a) Circular metal wires in electrical circuits may have different cross-sectional areas (different diameters) and different lengths. For a given applied voltage, how would the joule heat vary with these parameters
For the different wires the values given are
For Wire A, Area=\(A_{A}\), Resistivity=\(ρ_{A}\), Length= \(L_{A}\), Heat=\(H_{A}\), Voltage= V, Time= t, Wire B, Area=\(A_{B}\), Resistivity=\(ρ_{B}\), Length= \(L_{B}\), Heat=\(H_{B}\)
So, \(H_{A}\)/ \(H_{A}\)=\(\frac{V^{2} *t}{\frac{ρ(1)*L_{A} }{A_{A} } }\)/\(\frac{V^{2} *t}{\frac{ρ(2)*L_{B} }{A_{B} } }\)
Therefore \(H_{A}\)/ \(H_{A}\)= \(\frac{A_{A}*ρ_{B} *L_{B}}{A_{B}ρ_{A} L_{A} }\)
HeatThe type of energy that moves between two materials with varying temperatures is referred to by scientists as heat. Because the average translational kinetic energy per molecule in the two materials varies, an energy transfer takes place. Up until thermal equilibrium is attained, heat is transferred from the substance with the higher temperature to the material with the lower temperature. The joule, with 1 joule equalling 1 newton meter, is the SI unit of heat. Imagine the following situation to better comprehend what happens when this energy transfer takes place: Tiny rubber balls are bouncing all over two distinct containers that are full with them. The difference between the average ball speed in one container and the second container is substantial.
(a) Circular metal wires in electrical circuits may have different cross-sectional areas (different diameters) and different lengths. For a given applied voltage, how would the joule heat vary with these parameters
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A 1250 kg truck is moving down the highway with a velocity of 2. 0 m/s crashes head-on with another car with a mass of 875 kg and a velocity of 6. 0 m/s. After the collision, the two vehicles bounce off each other and the truck has a new velocity of 1. 0m/s. What is the new velocity of the car?
Together, the two cars are traveling at a speed of 29.11 m/s.
As a result,
The car's mass is 1 m = 1250 kg.
Initially, the car's speed was 1, u = 32 m/s.
Car 2 mass, m' = 875 kg
The starting speed of vehicle 2 is 25 m/s.
both vehicles stick together. An inelastic collision is a situation here. The pace is maintained. Let V be the combined speed of the two vehicles.
Using conV = 29.11 m/s, it is determined.
Thus, the combined speed of the two cars is 29.11 m/s. Therefore, this is the necessary solution. momentum preservation as:
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A car rolls down a ramp in a parking garage. The horizontal position of the car in meters over time is shown below. Graph of horizontal position x (in meters) on y axis and time (in seconds) on x axis. The initial position is -3 m at t=0 s, and the position increases linearly to 3 m at t=8 s. Then the position is constant at 3 m until t=16 s, then increases linearly to 9 m at t=24 s.
Answer:
Explanation:
At t = 0 , X = -3 m
At t = 8s , X = + 3 m .
At t = 16s , X = + 3 m
At t = 24 s , X = + 9 m
Graph is shown in the attached file .
The displacement of the car between 8 seconds and 24 seconds is 6 m.
The given parameters:
Initial position of the car, x₁ = -3 m, time = 0 sSecond displacement, x₂ = 3 m, time = 8.0 sThird displacement, x₃ = 3 m, time = 16 sFinal displacement, x₄ = 9 m, time = 24 sThe displacement of the car between 8 seconds and 24 seconds is calculated as follows;
the position of the car at 8 seconds = 3 m
the position of the car at 24 seconds = 9 m
The displacement of the car = 9m - 3m = 6 m
Thus, the displacement of the car between 8 seconds and 24 seconds is 6 m.
The complete question is below:
What would be the displacement of the car between eight seconds and 24 seconds?
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1. What is the acceleration of a car that goes from 20 Km/hr to 100 km/hr in 8 seconds?
Answer:
10 :)
You have to divide the difference of speed and divide it by the time. So 100-20 would be 80, and if you divide that by 8 it would be 10.
Hope this helps.
a person travels by car from one city to another with different constant speeds between pairs of cities. she drives for 40.0 min at 70.0 km/h, 16.0 min at 75.0 km/h, and 50.0 min at 40.0 km/h and spends 35.0 min eating lunch and buying gas.
The Average speed is 42.44 km/h ,the distance between cities is 99.02kmSpeed is the rate at which something or someone is moving.
The average speed of an object can be determined if you know the distance traveled and the time it took. Distance times speed is how speed is computed. In order to compute the units for speed, you must be aware of the units for both distance and time. Given that the distance in this example is measured in metres (m) and the duration is recorded in seconds, the units will be metres per second (m/s) For the purpose of calculating the other two, we require the other two (time, speed, or distance). To determine how long it will take to complete a journey, for example, information about the distance and speed of travel is needed.
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