If there is a base runner on 1st base, then there is a(n) _________ at 2nd base
1.Automatic out
2.Force out
3.Tag up
4.Ground out

The buoyant force exerted on the 1 kg rock by the water is 2 N.

The buoyant force is the force exerted by a fluid (in this case, water) on an object that is submerged in it. To find the buoyant force, we need to subtract the weight of the object when it is submerged in the fluid from the weight of the object when it is suspended above the fluid.

The weight of the rock when it is suspended above water is 9.8 N (the weight of the rock is equal to its mass multiplied by the acceleration due to gravity, which is 9.8 m/s²).

The weight of the rock when it is suspended beneath the surface of the water is 7.8 N.

To find the buoyant force, we can use the following formula:

Buoyant force = weight of object above fluid - weight of object below fluid

Buoyant force = 9.8 N - 7.8 N = 2 N

Therefore, the buoyant force exerted on the 1 kg rock by the water is 2 N.

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To develop a rocket with a burnout velocity of 1000 m/s, the specific impulse (Isp) required needs to be calculated. The exit velocity (Ve or Vj) required for the rocket can be determined using the rocket motor equation. The burn time of the rocket can be found by considering the rocket's weight and acceleration over time.

Additionally, the speed of the rocket, assuming a flight path angle of 45 degrees and considering gravity, can be plotted.

1. Calculating Required Isp:

To calculate the required Isp, we use the rocket motor equation: Ve + (Pe - Pa)AC = (m0 / mf) * g0 * Isp, where Ve is the exit velocity, Pe is the pressure at the exit, Pa is the ambient pressure, AC is the throat cross-sectional area, m0 is the initial total mass (rocket weight + propellant weight), mf is the final total mass (rocket weight), g0 is the acceleration due to gravity, and Isp is the specific impulse.

Since the contribution of the pressure differential is ignored, the equation simplifies to Ve = (m0 / mf) * g0 * Isp.

Given the burnout velocity of 1000 m/s, we can substitute the values and solve for Isp.

2. Determining Exit Velocity:

Using the rocket motor equation and the burnout velocity, we can solve for the exit velocity (Ve). This value represents the speed at which exhaust gases leave the rocket nozzle.

3. Plotting Rocket Acceleration and Weight:

To plot the rocket acceleration as a function of time, we need to consider the mass of the rocket over time. Initially, the rocket weight is the sum of the rocket weight (300 kg) and propellant weight (800 kg). As the propellant burns, the rocket weight decreases, resulting in a changing acceleration.

4. Calculating Burn Time:

The burn time of the rocket can be determined by dividing the propellant weight (800 kg) by the propellant consumption rate, which is the mass flow rate of the propellant.

5. Plotting Rocket Speed:

Assuming a flight path angle of 45 degrees and neglecting gravity, the rocket's speed can be plotted over time. This plot represents the rocket's horizontal velocity.

6. Considering Gravity:

To plot the rocket's speed while considering gravity, we need to account for the vertical acceleration due to gravity. By considering the rocket's horizontal and vertical velocities, we can determine the overall speed of the rocket.

By following these steps, the required Isp, exit velocity, burn time, and velocity plots can be determined for the given rocket scenario.

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Answer:

a. Bar A is a magnet

b. Bar B is a metal or magnetic material

c. Bar D is a non-magnetic material

Explanation:

a. Bar A

Since B attracts both A and C, it shows that A and C are both magnetic. So, it is either B and A are magnets or B and C are magnets or A and C are magnets. Also, since A and C sometime attract one another and sometimes repel one another, it means that they attract when their poles are opposite and repel when their poles are negative. This show that both A and C are magnets. Thus, A is a magnet.

b. Bar B

Since B is attracted to both A and C and we know that both A and C are magnets, it implies that B is a magnetic material. Since it does not repel either A or C.

c. Bar D

Since D does not attract A, B or C, D is a non-magnetic material. Since, only a magnetic material can be attracted to magnets and we have established that both A and C are magnets and that B is magnetic. Since D is not also attracted to B, it implies that D is thus non-magnetic.

The contour interval on a map represents an elevation difference between two contour lines next to each other.

Anything that was previously elevated in height. Altitude is the distance from the sea to a point. Every sixth contour line has an index contour, which is a bolder or thicker line.

Elevation above sea level is the definition of elevation for a location. Around 13,000 feet more than sea level, I believe, is where we are now.

The contour elevation is the difference or distance between the elevation of the contour line. The elevation shift from one contour line to the next remains constant within a single map. Several maps have a contour interval of 40 to 80 feet.

Thus, the elevation difference between two contour lines placed adjacent to one another is represented by the contour interval on a map.

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Explanation:

First, convert terameters to meters.

234 Tm × (10¹² m / Tm) = 234×10¹² m

Now convert meters to nanometers.

234×10¹² m × (10⁹ nm / m) = 234×10²¹ nm

In scientific notation, that's 2.34×10²³ nm.

Answer:

Parallel processing

Explanation:

It is a parallel processing because it involves the brain processing many part of problem simultaneously.

The brain natural mode of information involves performing many task .

It is also ability of the brain to simultaneously process incoming stimuli or signals of different quality. It is a part of brain's vision and divide what is seen into four major parts which are color, motion, shape, and depth.

Answer: B)  Parallel processing

Answer:

Newton's third law, if i'm not mistaken.

Explanation:

Any action that occurs will have a opposite and equal action. The greater the force u apply to the wall, the greater the force the wall exerts back at you, hence why ur hands become red if u try pushing extremely hard on the wall.

Answer:

velocity term

Explanation:

Answer:velocity term

Explanation:

Cmax = 11 and Cmin = 9

When two vectors are added, let's say a and b, their resultant, let's say c is given by

c = √(a² + b² + 2ab cosΦ)

where Φ is the angle between them.

Assuming in given question a = 10 and b =1

so resultant c = √(10² + 1² + 2×10×1× cosΦ)

for Cmax, cosΦ = 1, a and b are parallel

so Cmax = √(a² + b² + 2ab)

Cmax = a + b

Cmax = 10 + 1

Cmax = 11,

similarly for Cmin, cosΦ = -1, a and b are antiparallel

so Cmin = √(a² + b² - 2ab)

Cmin = a- b

Cmin = 10 - 1

Cmin = 9

Therefore, Cmax = 11 and Cmin = 9.

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When you push a pencil off your desk, the energy transformation that takes place is that potential energy transforms into kinetic energy.

The correct answer to the given question is option C.

Potential energy is the energy stored within an object because of its position or configuration.

In this scenario, the pencil has potential energy because of its elevated position on the desk. When the pencil is pushed off the desk, it begins to move, which means that it has kinetic energy. Kinetic energy is the energy of motion.

As the pencil falls off the desk, its potential energy is transformed into kinetic energy, which is the energy that results from its motion. The faster the pencil falls, the greater its kinetic energy will be because kinetic energy is directly proportional to the square of an object's velocity.

Therefore, when you push a pencil off your desk, the potential energy that it has because of its elevated position is transformed into kinetic energy as it falls towards the ground.

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The statement by the patient that the technician entered into the social history section is "I have smoked cigarettes for a long time."

Technicians are skilled experts employed in nearly every enterprise. They restore, install, replace, and service one-of-a-kind systems and gadgets. Technicians normally work alongside other professional people and ought to be able to study instructions and communicate successfully.

An instance a technician is someone who works in a lab and who runs a gadget that separates microorganisms from blood samples in order to test for illness. An artist, creator, musician, etc. who has notable technical skill or understanding.

Technician careers are a remarkable choice if you need to go into the staff speedy, or are looking for an access-level position. Technicians play an important function across a wide variety of industries, providing essential hard work to keep the general public secure, entertained, linked, and healthful.

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It isn't best to wear loose fitting clothing when exercising, as you may not feel too comfortable. It depends on the person. However there are a few advantages.

• Tight clothing may not be comfortable as well

• Looser clothing allows easy evaporation of sweat

Then again when it says " loose - fitting " it may mean not too baggy. Baggy clothing can have an impact on your physical activity.

Answer All of the above

For people on a p e x

Answer:

the answer is A. acceleration mom

Explanation:

:)

Kinetic energy has the following formula: K.E. = 1/2 m v2, where m is the object's mass and v is its square velocity. The kinetic energy is measured in kilograms-meters squared per second squared

A 2-kilogram item accelerates by 10 m/s when a particular force is applied to it. The acceleration of the second object when the same force is applied to it is 4 m/s2.

Newton, therefore, found this gravitational force, and as a result, everyone in the world is subject to the force of the earth, which is what we refer to as the body's weight. the gravitational constant "G" is used. 2 kg will therefore encounter a force of 19.6 N. ​

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Answer:

3.68 m/s

Corrected question;

Chef Andy tosses an orange in the air, then catches it again at the same height. The orange is in the air for 0.75 s. We can ignore air resistance. What was the orange's velocity at the moment it was tossed into the air?

Explanation:

Applying the equation of motion;

v = u + at. ....1

Where

u = initial speed

v = final speed

a = acceleration

t = time taken

Given;

Total time of flight t = 0.75s

Acceleration due to gravity g = 9.8 m/s^2

Considering the first phase of flight, during the upward motion to the maximum height. The final velocity at the maximum height is zero and the time of flight of the phase is equal to half of the total flight time.

v1 = 0

t1 = t/2 = 0.75/2 =0.375s

From equation 1;

v1 = u - gt1

Substituting the values;

0 = u - 9.8(0.375)

Solving for u;

u = 9.8(0.375)

u = 3.675

u = 3.68 m/s

Initial velocity = 3.68 m/s

Explanation:

Explanation:

Pressure is defined as a Force over an

Area.

p=F/A

We can rearrange this to make the Force

the subject

F = p *A

The pressure is given as 1200 Pa.

We know a pascal is 1 Newton / Square

metre = N/m²

The area of a cube will be width * breadth

= 1.5 m * 1.5 m= 2.25 m²

So the force the cube is pushing down

with (its weight) is simply

F = p * A = 1200 N/m² * 2.25 m² = 2700 N

Weight is officialy defined as a force

measured in Newtons, but when we

talk about weight we often give it in

Kilograms (a unit of mass).

To get the weight in units of

Kilogram-force you must divide by the

gravitational acceleration =9.81 m/s²

2700 / 9.81 = 275.23 Kg

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The idea that the properties of the universe are finely tuned to support life and that any significant deviation from these properties would make life impossible is called the anthropic principle.

It suggests that the universe appears to be designed for the existence of intelligent life because any other type of universe would not allow the emergence and evolution of life forms. The anthropic principle is a controversial topic in the philosophy of science and cosmology, and there are different versions of it, including the weak anthropic principle and the strong anthropic principle.

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A automobile is driving northbound on a highway at a steady speed of 65 mph. The vehicle weighs 900 kilograms. The net force is zero and the correct answer is C.

As per the question given,  

We need to find the net force acting on the car, given its speed and mass.

We know that the car is moving with a constant speed of 65 miles per hour straight north. To convert this to SI units, we have:

v = 65 miles/hour = (65 miles/hour)(1 hour/3600 seconds)(1609 meters/mile) ≈ 29.0 m/s

The mass of the car is given as 900 kg.

Since the car is moving with a constant speed and in a straight line, its acceleration is zero. Therefore, the net force acting on the car is also zero. This is because the net force on an object is equal to its mass times acceleration (F = ma), and since the acceleration is zero, the net force is also zero.

Therefore, the correct answer is: c. The net force is zero.

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The photon must possess a wavelength of 656 nm to send the electron to the n=4 state.

When a hydrogen atom absorbs a photon, it cause the electron to transition to a higher energy level or state. In this case, the electron is initially in the n=3 state, and we want to determine the wavelength of the photon needed to move it to the n=4 state. The energy difference between these two states corresponds to the energy of the absorbed photon.

Using the formula for the energy of a photon (E = hc/λ), where E is the energy, h is Planck's constant, c is the speed of light, and λ is the wavelength. We can rearrange the equation to solve for the wavelength. Therefore, the photon must possess a wavelength of 656 nm to send the electron to the n=4 state.

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The advantages of friction are it aids movement, and it helps to sharpen objects.

Friction is the force that opposes the motion of an object in motion or prevents an object at rest from moving.

Friction has so many advantages and some of the advantages are listed below;

Thus, the advantages of friction are it aids movement, and it helps to sharpen objects.

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Thus, 20 lb/ft is the spring constant.

The dot product of the force and the displacement can typically be used to assess a force's work. W = 1/2kx2 is the amount of work accomplished when a spring is stretched x feet beyond its natural length by a force of magnitude F pounds. In the formula W = 1/2kxthe spring constant is the constant k.

The completed work has been given the value W = 10 feet-lb. The spring is stretched 1 foot beyond its natural length, which is the value of x.

Now, replace W = 10 with x = 1 in the equation W=1/2kx2

When you shift the displacement from 0 to x, the average force you apply is 12 kx. Therefore, W = 12kx2 is the amount of work required to stretch or compress a spring a distance x from its equilibrium position.

When a spring is stretched, is work finished?

Work Produced by a Spring's Stretching When a spring is stretched, both the applied force and the displacement direction are the same. Additionally, the stretching force performs positive work because the angle between the force and the displacement is zero.

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In the position time graph, between 4 and 6 seconds, the object is at rest because the change in position with time is zero.

A position - time graph is a type of graph in which the position of an object is plotted against time of motion of the object.

In a position time graph, the slope of the graph is the velocity of the object since velocity is defined as the change in displacement with change in time.

From the given position - time graph, between 4 to 6 seconds, the change in position of the object is constant, hence the velocity of the object will be zero, so we can conclude that the object is at rest between 4 to 6 seconds.

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Answer:

b & c

Explanation:

because is my choice

Answer:

Work, W = F * d, and

Work = change in kinetic energy, so W=deltaKE.

Hence,

deltaKE=F * d

(1/2)*m*v^2 =F * d

d=[(1/2)*m*v^2]/F

d=[(1/2)*0.6*20^2]/5

d=24 m.

Explanation:

Work = change in kinetic energy, so W=deltaKE.

Part (a)

The position of both objects is increasing, so we can consider when the velocities are the same. The velocity is the rate of change of position with respect to time, so we can see when the slope of the tangents to both graphs is the same. This occurs at about 1 second.

Part (b)

The positions of objects A and B are both increasing. However, the position of object A is increasing at a constant rate, while the same cannot be said for object B.

The specific heat capacity of the metal bolt is 443.7 J/kg.°C. The result is obtained by using the Black's Principle.

The Black's Principle states that heat released by a higher-temperature object is equal to the heat absorbed by a lower-temperature object. It can be expressed as

Q release = Q absorb

Where

The equation of heat energy with the temperature change is

Q = m × c × ΔT

Where

Given a metal bolt with a mass of 0.085 kg and a temperature of 85.0°C.  It is mixed in a container of water with a mass of 0.15 kg and a temperature of 25.0°C. The final temperature of the mixture is 28.4°C.

If the specific heat of water is 4186 J/kg.°C, what is the specific heat capacity of the bolt?

When they are mixed, the metal bolt releases the heat and the water absorbs the heat. Using the Black's Principle formula, we get the specific heat capacity of bolt (cb).

Q release = Q absorb

mb × cb × ΔTb = mw × cw × ΔTw

0.085 × cb × (85-28.4) = 0.15 × 4186 × (28.4-25)

4.811cb = 2134.86

cb = 443.7 J/kg.°C

Hence, the specific heat capacity of the bolt is 443.7 J/kg.°C.

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The main force(s) acting on the puck after receiving the kick is a downward force of gravity, an upward force exerted by the surface, and a horizontal force in the direction of motion.

Friction can be defined as that resistance that one surface or object encounters when moving over another.

So therefore, the main force(s) acting on the puck after receiving the kick is a downward force of gravity, an upward force exerted by the surface, and a horizontal force in the direction of motion

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Answer:

A number of specific environmental issues can impede human health and wellness. These issues include chemical pollution, air pollution, climate change, disease-causing microbes, lack of access to health care, poor infrastructure, and poor water quality.

Explanation:

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