(ii) calculate the acceleration due to gravity on the moon, which has radius 1.74 * 106 m and mass 7.35 * 1022 kg.

a. The total time (ascent and descent) does the basketball player spend in the top 24.0 cm that grabbing a rebound jumps 70 cm vertically = 0.42 s

b. The total time (ascent and descent) does the basketball player spend in the bottom  24.0 cm that grabbing a rebound jumps 70 cm vertically = 0.01 s

Because gravity is pulling on an object as it falls, its speed increases. Gravity near the earth has an acceleration of g = 9.81 m/s². To calculate something's speed (or velocity) after a certain amount of time, simply multiply the acceleration of gravity by the time since it was released.

The free fall object formula:

h = \(\frac{1}{2}\) gt²

v² = 2gh

Where:

h = height/distance (m)

g = acceleration due gravity ( 9.81 m/s²)

t = time (s)

v = the velocity (m/s)

The velocity of the player:

0 - v² = 2gh

v² = 2 x (-9.8) (0.7)

= 3.70 m/s

(a)

The time taken by it in top 24 cm position that grabbing a rebound jumps 70 cm vertically:

h = \(\frac{1}{2}\) gt²

0.24 = \(\frac{1}{2}\) (9.8) t²

t = 0.21 s

The total = 0.42 s

Hence, the total time in that position will be doubled because in that position first it will go up and then go down.

(b) The total time (ascent and descent) does the basketball player spend in the bottom  24.0 cm:

70 - 24.0 = 46 cm = 0.46 m

h = \(\frac{1}{2}\) gt²

0.46 = \(\frac{1}{2}\) (9.8) t²

t₁ = 0.31  s

t₂ = \(\sqrt{\frac{2h}{g} }\)

= 0.3 s

So, the time interval of last 24 cm:

0.31 - 0.30 = 0.01 s

The question is incomplete, it should be:

A basketball player grabbing a rebound jumps 70.0 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 24.0 cm of this jump and (b) in the bottom 24.0 cm?

Learn more about free fall here: https://brainly.com/question/12167131

#SPJ4

Answer:

c.15

FA = Leffort / Llifting

\( \frac{30}{2} \)

=15

Answer:

piglets

Explanation:

more than 3

Answer :pedestrian walker.

Explanation:

The number of walking paces as you walk down main street (0.25 miles) is 720 walking paces

1 mile = 5280 feet

Therefore,

0.25 mile = (0.25 mile × 5280 feet) / 1 mile

0.25 mile = 1320 feet

1 feet = 12 inches

Therefore,

1320 feet = (1320 feet × 12 inches) / 1 feet

1320 feet = 15840 inches

22 inches = 1 walking pace

Therefore,

15840 inches = (15840 inches × 1 walking pace) / 22 inches

15840 inches = 720 walking paces

Thus, we can conclude that as you walk down main street (0.25 miles), there are 720 walking paces

Learn more about conversion:

https://brainly.com/question/15118262

#SPJ1

The movement of the piston in response to the heating of the ideal gas can be explained through the kinetic theory of gases. The kinetic theory explains the behavior of gases in terms of the motion of their microscopic particles, such as atoms or molecules.

When the temperature of the gas is increased, the average kinetic energy of the gas particles also increases. This means that the gas particles move faster and collide more frequently with the walls of the container. As a result, the pressure of the gas increases, pushing the piston upwards.

The movement of the piston is a consequence of the gas particles exerting a force on it as they collide with it. The force exerted by each gas particle may be small, but the collective effect of all the collisions results in a net force on the piston that causes it to move upwards.

In summary, the movement of the piston in response to the heating of the ideal gas is due to an increase in the average kinetic energy of the gas particles, resulting in more frequent collisions with the walls of the container and a higher pressure that pushes the piston upwards.

To know more about kinetic theory, refer here:

https://brainly.com/question/14349214#

#SPJ11

The kinetic theory of gases helps explain the movement of the piston in response to the heating of the ideal gas. The mobility of small particles in gases, such as atoms or molecules, is explained by the kinetic theory.

The average kinetic energy of the gas particles increases as the temperature of the gas rises. This implies that the gas particles travel quicker and clash with the container's walls more often. As a result, the gas pressure rises, forcing the piston upwards.

The piston moves as a result of the force exerted by the gas particles when they clash with it. Although the force exerted by each gas particle is modest, the cumulative impact of all the collisions results in a net force on the piston, causing it to rise. This results in a net force on the piston that causes it to move upwards.

To know more about kinetic theory, refer here:

brainly.com/question/14349214#

#SPJ4

Answer: A. Cotton Pants

Explanation:

Answer:

A

Explanation:

Answer:

C-30m/s that my answer

Answer:

the wind speed is 39 right now

Answer:

The x - component of the normal force is equal to 1706.45 N.

Explanation:

To solve the problem, and since there is no additional information, we can safely assume that the x-axis is parallalel to the hill surface and the y-axis is perpendicular to the x-axis. Knowing that, we can calculate the components of the normal force (or weight for this case), using the following formulas:

\(N

x

=W∗Sin(α)=mg∗Sin(α)\)

\(N

y

=W∗Cos(α)=mg∗Cos(α)\)

Now, using the given information, we have:

\(mass=m=1150Kg\)

\(a=8.70\)

\(g=9.81 \frac{m}{ {s}^{2} } \)

Calculating, we have:

\(N_{x}=mg*Sin(\alpha)\)

\( \: \: \: \: \: \: \: \: \: N_{x}=1150Kg*9.81\frac{m}{s^{2}}*Sin(8.70\°)\)

\(N

x =11281.5

s

2

Kg.m

∗Sin(8.70\°) = \\ \\ 1706.45

s

2

Kg.m

=1706.45.23N\)

Hence, we have that the x-component of the normal force is equal to 1706.45 N.

Answer:

zero

Explanation:

fx=

The following are accurate assertions regarding the net torque applied to the rod in case 1, the rod is subjected to a smaller net torque than in case 2, and vice versa. The correct options are A and D.

The rotating force imposed on an object is measured in torque. The tendency of an object to rotate about an axis is a vector quantity.

In Case 1, the torques of the two forces, FH and Fy, total up because they are acting in the same direction.

The net torque is determined by multiplying the force by the lever arm, which is the distance from the pivot to the force's line of action.

Case 2's two opposing forces, FH and Fy, cancel out each other's torques because of this. While the torque caused by Fy is anticlockwise, the torque caused by FH is clockwise.

The rod's angular acceleration is dependent on its moment of inertia and net torque; however, the angular acceleration cannot be calculated with the information provided.

Thus, the correct options are A and D.

For more details regarding torque, visit:

https://brainly.com/question/30338175

#SPJ6

Your question seems incomplete, the probable complete question is:

Answer:

answer is d.

Explanation:

are you going to mark me  brainlinessist

Explanation:

The formula for KE ( Kinetic Energy ) is : 1/2 mv²

Solution:

= 2 ( 9.8 m/s² × 1.25 m ) = 24.5 m/s

= 1/2 ( 40 kg × 24.5m/s ² )

= 1/2 ( 40 kg × 600.25 )

= 1/2 ( 24,010 )

= 12,005 Joules

Answer:

135N will cause a 45 kg object to accelerate at a rate of 3.0 m/s2

Explanation:

Force = mass * acceleration

Force = 45 kg * 3 m/s2

Force = 135N

Force=F

Apply Newton's second law

\(\\ \tt\longmapsto F=ma\)

\(\\ \tt\longmapsto F=45(3)\)

\(\\ \tt\longmapsto F=135N\)

Answer:

Procedures 4 and 5.

Explanation:

Both would cause the box to move up.

4, it becomes lighter

5, the other becomes heavier, pulling it down, causing box one to go up

Since we seek the action of force to push up box 1, the students observes an unbalanced upward force on Box 1 in procedures 4 and procedure 5.

Generally, In procedure 4 we added another mass to the box two, therefore, causing box one to experience an upward force.

Therefore, students observe an unbalanced upward force on Box 1 in procedure 4.

Procedure 5 we remove masses from box 1 resulting in box 2 becoming heavier, pulling it down.

Therefore, students observe an unbalanced upward force on Box 1 in procedure 5.

Read more about Force

https://brainly.com/question/26115859

Answer:

2 m/s

Explanation:

Given that,

Mass of a man, m₁ = 75 kg

Mass of object, m₂ = 5 kg

Velocity of the object, v₂ = 30 m/s

We need to find the recoil velocity of the man. Let it is v₁. In the whole process, the momentum of the system will remain conserved such that,

\(m_1v_1=m_2v_2\\\\v_1=\dfrac{m_2v_2}{m_1}\\\\v_1=\dfrac{5\times 30}{75}\\\\v_1=2\ m/s\)

So, the recoil velocity of the man is 2 m/s

A medium is a substance that enables the transfer of energy from one location to another through waves or vibrations. It allows the oscillation of particles in the medium, which affects the speed and direction of the wave.

A substance that makes possible the transfer of energy from one location to another through waves is called a medium. A medium is a physical material or substance that can transmit waves or vibrations. Examples of media include air, water, metal, and even vacuum (for electromagnetic waves). When a wave travels through a medium, energy is transferred from one location to another through the oscillation of the particles in the medium. For example, when a sound wave travels through air, the air particles vibrate back and forth, transferring the sound energy from the source of the sound to our ears. The properties of the medium can affect the speed and the direction of the wave. For instance, sound waves travel faster through denser mediums, like water or metal, than through less dense mediums, like air. Similarly, the direction of the wave can change when it encounters a medium with a different density, as in the case of refraction.

In summary, a medium is a substance that can transmit waves or vibrations, allowing the transfer of energy from one location to another through the oscillation of the particles in the medium.

To know more about energy please refer: https://brainly.com/question/11399976

#SPJ1

Answer:

\( \boxed { \tt{gravitational \: pull(force)}}\)

The highest frequency of visible light in the light range from 400 nm to 700 nm is 7.5 x 10¹⁴ Hz.

To find out the highest frequency, follow the following concept of optics

f = c/λ

Where c is the speed of light, f is the wave's frequency, and λ is the wavelength of light.

For maximum frequency, we need to choose the lowest wavelength since both share an inverse relation.

f = (3 x 10⁸)/(400 x 10⁻⁹)

f  = 7.5 x 10¹⁴

Therefore, the highest frequency is 7.5 x 10¹⁴ Hz.

To learn more about frequency, visit https://brainly.com/question/10728818

#SPJ4

The highest points of intensity for WF4-358 include 390nm, 402nm, and 420nm (all estimated by x-axis locations in 10 nm increments).

Wavelength is the distance between identical points (adjacent crests) in the adjacent cycles of a waveform signal propagated in space or along a wire. In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

These are the closest approximate wavelengths along the x-axis that correspond to the highest intensities along the y-axis for WF4-358.

The highest points of intensity for WF4-358 include 390nm, 402nm, and 420nm (all estimated by x-axis locations in 10 nm increments).

Learn more about wavelength on

https://brainly.com/question/10728818

#SPJ1

The force exerted by the rain on the patch is 0.231 N.

The force exerted by the raindrops on the patch can be found using the formula; F = m × v

where F will be the force, m will be the mass of each raindrop, and v is velocity of each raindrop.

The mass of each raindrop is given as 1.1 grams, which can be converted to kilograms by dividing by 1000;

m = 1.1 g / 1000 = 0.0011 kg

The velocity of each raindrop is given as 6 m/s.

Now, we need to determine the number of raindrops that strike the patch in one second. If the patch is receiving 35 raindrops per second, then the number of raindrops that strike the patch in one second is also 35.

Therefore, the total force exerted by the rain on the patch is;

F = m × v × n

where n will be the number of raindrops per second.

Plugging in the values, we get;

F = 0.0011 kg × 6 m/s × 35

F = 0.231 N

To know more about force here

https://brainly.com/question/13191643

#SPJ4

In physics and engineering, a free frame diagram (FBD; also referred to as a force diagram) is a graphical instance used to visualize the applied forces, moments, and ensuing reactions on a frame in a given situation.

A free-body diagram is a sketch of an item of interest with all the surrounding items stripped away and all of the forces acting on the frame shown. The drawing of an unfastened-body diagram is a critical step in the solving of mechanics issues because it helps to visualize all the forces appearing on an unmarried object.

A free-body diagram is a graphic, dematerialized, symbolic representation of the body (structure, element, or segment of an element) wherein all connecting "pieces" have been removed. An FBD is a convenient method to model the structure, structural detail, or phase that is under scrutiny.

Learn more about free body diagrams here:-https://brainly.com/question/10148657

#SPJ1

Answer: A method of classifying stars by their temperatures and compositions.

Explanation:

The Morgan-Keenan Spectral Classification system is a method of classifying stars by their temperatures and compositions.

The primary factor used to categories stars is their temperature.

The Morgan-Keenan luminosity class (MK or MKK) was developed as a result of the Harvard spectral classification classification scheme does not completely describe the star as it cannot distinguish between stars with the same temperature but different luminosities.

Since then, class I stars have been separated into Ia-O, Ia, and Ib, and classes VI (sub-dwarf), and D (white dwarf) have been added, replacing the original roman numerals between I (supergiant star) and V (main sequence).

The original Harvard classification of the star is supplemented by the MK luminosity class in order to fully define it. For instance, the entire classification of the Sun, which is a main sequence G2 star, is G2V.

The MK luminosity class is added to the Harvard classification of the star in order to fully define it.

A method of classifying stars by their temperatures and compositions is applied in Morgan-Keenan Spectral Classification system.

Learn more about star here:

https://brainly.com/question/21521087

#SPJ2

Answer:

Is there a multiple choice or select all that apply? I would say Potassium (K) or Sodium (Na)

Explanation:

Answer:

3

Explanation:

let the number be x

perform and forming expression

12 is added

=12 + x

4 is multiplied to expression

= 4 (12 + x)

result is 60

equating

4(12 + x) = 60

48 + 4x=60

4x = 60-48

4x = 12

x= 12/4

x= 3

There n is the number of moles, R is the ideal gas constant (8.314 J/molK) and V₁ and V₂ are the initial and final volumes of the gas, respectively.

Moles are small animal species belonging to the family Talpidae, which includes various types of mammals commonly referred to as "shrew-moles" or "mole-shrews". They are commonly found in temperate regions of Europe, Asia, and North America and have been known to inhabit a wide range of habitats, from woodlands to grasslands and even wetlands. Moles are small burrowing animals that have a cylindrical body, a pointed snout, and short legs. They have short, velvety fur that helps to camouflage them in the soil and are well adapted to living in underground tunnels. Moles have a strong sense of smell and use their long, sensitive snouts to search for food. They feed mainly on small invertebrates such as earthworms, insects, and larvae.

The change in entropy (ΔS) can be calculated using the equation:

ΔS = nRln(V₂/V₁)

In this case, n = 1.50 moles and V₁ = V₂/2.

Therefore, ΔS = (1.50 moles)(8.314 J/molK)ln(2) = 11.47 J/K

To learn more about moles

https://brainly.com/question/28180503

#SPJ4

The renewable energy source among the given is wood and wood wastes. However they cannot be treated as perfectly renewable source because they will produce hydrocarbons when burned and will be exhausted after  massive consumption.

Renewable energy source is the source of energy which can  be regenerated or recycled after use. Solar energy, wind energy, hydrothermal energy etc. are renewable sources of energy.

Renewable sources are more efficient and nature genuine sources of energy. Whereas non-renewable source such as biogas, fossil fuels, etc. cannot be regenerated and will be exhausted after use.

Wood wastes is a common fuel used in homes as well. However, wood wastes produces harmful gases on burning and moreover they require cutting trees to get sufficient fuel.

To find more on renewable energy sources, refer here:

https://brainly.com/question/10483137

#SPJ1

Answer:

1/3

Explanation:

Velocity ratio = distance moved by effort / distance moved by load