• BIO How High Can We Jump? The maximum height a typical human can jump from a crouched start is about 60 cm. By how much does the gravitational potential energy increase for a 72-kg person in such a jump? Where does this energy come from?

Q: A 2.5 kg bowling ball is tied to a 1m long string attached to the ceiling. The ceiling is 5 m above…

A: Data Given ,  Mass of the ball ( m ) = 2.5 kg Height above the earth surface ( h )  = ( 5 - 1 ) m =…

Q: • Two cars are moving. The first car has twice the mass of the second car, but only half as much…

A: The original speed od tge two cars the first V1=3.534m/s And the second V2= 7.068m/s

Q: At the local ski slope, an 80.0-kg skier rides a gondola to the top of the mountain. Part A If the…

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Q: A 60-kg hiker hikes from Yosemite Valley (elevation 1209 m) to Glacier Point (elevation 2199 m).…

A: Given: Mass of the hiker is m =60 kg          Yosemite Valley elevation h1 =  1209 m…

Q: 1• An 1865-kg airplane starts at rest on an airport runway at sea level. (a) What is the change in…

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Q: 15. A 12 kg crate is pushed up an incline from point A to point B as shown in the figure: B 7.5 m…

A: Solution:-Given thatmass of crate (m)=12 kg

Q: In a simple pendulum, energy is stored by lifting the pendulum some height "h" away from the pull of…

A: During the motion of the pendulum the total energy remains constant, but the energy changes in…

Q: Explain the relationship between kinetic energy and gravitational potential energy during a vertical…

A: Refer explanationExplanation:During a vertical jump, kinetic energy and gravitational potential…

Q: If the height of the child of question 1 is doubled, does the gravitational potential energy…

A: Answer : Since the gravitation potential energy of an object is directly proportional to its height…

Q: The potential energy of two molecules is given by: U= 3 r7 - 5 r5. If r is the distance between two…

A:

Q: Sam throws a 0.72kg rock off the edge of a 15m tall building at an angle of 35∘ from the horizontal.…

A: Gravitationa potential energy is given by mgh Givenm=0.72 kgh=15 mg=9.81 m/s2

Q: A child jumps up and down on a bed, reaching a higher height after each bounce. Explain how the…

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Q: True or False? For a rock that is thrown up (through air), its gravitational potential energy is…

A: Gravitational potential energy is given by = mgh m = mass of rock g= gravity h = height of the rock…

Q: An object hangs motionless from a spring. When the object is pulled down and held, what happens to…

A:

Q: 75. A tree removal service hooks a chain around the stump of a tree and attaches the other end of…

A: Given: The truck drags the stump to a distance (S) of 40 m. The angle (θ) made by the chain with the…

Q: Estimate the maximum speed you can achieve while running a 100 m dash. Treat yourself as a point…

A: Given, Maximum speed, v=5 m/s Mass, m=70 kg

Q: 15. A 12 kg crate is pushed up an incline from point A to point B as shown in the figure: B -7.5 m…

A: Given: The mass of the crate is 12 kg. The initial height of the crate is 2.5 m. The final height of…

Q: An object with an initial potential energy of 40 J is dropped from rest. After a while, its…

A: Initial potential energy is PEinitial = 40 J Potential energy after a while is PEfinal = 10 J…

Q: Can the total work done on an object during a displacement be negative? Explain. If the total work…

A: The work done on an object can be given as, Here, F, d, and θ represent the force, displacement,…

Q: A bike is sitting at the top of a hill that is 21 meters high. The bike has a mass of 0.200…

A: Given- The bike has a mass m=0.200 kilograms A bike is sitting at the top of a hill h= 21 meters

Q: A horizontal spring is stretched 10 cm and then released from rest. Will the spring ever stretch a…

A: Given that: The spring was stretched 10 cm initially and released from rest.

Q: A 79 kg bike racer climbs a 1100m long section of road that has a slope of 4.3∘.  By how much does…

A: Given data:  Mass (m)= 79 kg Length of section of road (L) = 1100 m Angle (θ) = 4.3°, above the…

Q: A bicyclist is stopped at the entrance to a valley, as sketched below: F A Where would the bicyclist…

A: Due to multiple questions posted we will be only answering the first three questions, if any…

Q: A crate is pulled across a horizontal floor by a rope. At the same time, the crate pulls back on the…

A: According to the Newton’s third law of motion, every action has equal and opposite reaction.

Q: A mass is attached to the bottom of a vertical spring. Thiscauses the spring to stretch and the mass…

A: When a mass is attached to the bottom of the vertical spring, explain; (a) What happens to the…

Q: A rope tied to an object is pulled, causing the object to accelerate. But according to Newton’s…

A: Here, we see how Newton's law plays in the given situation.

Q: In a simulation on Earth, an astronaut in his space suit climbs up a vertical ladder. On the Moon,…

A: The gravitational potential energy can be written as,                   Gravitational Potential…

Q: Explain why it is easier to climb a mountain on a zigzag path rather than one straight up the side.…

A: The gravitational potential energy is given by PE=mgh Since the mass and the height of the mountain…

Q: Name: A person's heart and head are 1.3 m and 1.8 m above the feet, repectively. Determine the…

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Q: How high can we jump? The maximum height a typical human can jump from a crouched start is about 60…

A: the maximum height  that a man can jump depends o the maximum stress that can be beared by the femur…