In sports Define the following: what is flexibility? What is agility? What is endurance? What is balance? What is speed?
Q: An elevator must lift 15,000 kg a distance of 125 m at a velocity of 2.5 m/s. What is the average…
A: Mass, m = 15000 kg Distance, d = 125 m Velocity, v = 2.5 m/s Acceleration due to gravity, g = 9.81…
Q: The energy transformations in pole vaulting and archeryare discussed in this Chapter. In a similar…
A: a) The work is done on the golf ball when it is hit .So , the potential energy of the ball will…
Q: A 9.6 kg ball is rolling at a speed of 3.8 m/s when it encounters a ramp. How high can it roll up…
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Q: 5. Without pedaling, a cyclist goes down a road inclined 5° with a 6 m/s constant speed. The total…
A: Given Angle of inclination = θ = 5° speed of cyclist = v = 6 m/s (constant) Total mass = m = 70 kg…
Q: A 15 kg object is raised 12.5m in a total time of 14 s. What was the power required to complete this…
A: Given Data : The mas of the object is given as m = 15Kg. The rise in height of the object is given…
Q: If a girl with a mass 49kg fell out of 20th story skyscrapers with 6 meters each floor and we all…
A: Mass of the girl is m = 49 kg Initial height of the girl is h1=20×6 m=120 m Height of the girl at…
Q: 7. Which of the following is the best example of kinetic energy being transformed into potential…
A: Kinetic energy is the energy possessed due to motion of object while potential energy is the energy…
Q: 1. What is the acceleration of a bowling ball with a mass of 46.7 kg if a net force of 18 N is…
A: 1. What is the acceleration of a bowling ball with a mass of 46.7 kg if a net force of 18 N isacting…
Q: Fasten one end of a vertical spring to a ceiling, attach a cabbage to the other end, and then slowly…
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Q: If a water motor fills 25 kg of water in a pool of 60 m in 5 minutes, what is the power of the…
A: The pump fills a pool of height h=60 m with water of mass m=25 kg in t=5 min=300 s.The potential…
Q: A 1,000-W motor powers a hoist used to lift cars at a service station. (a) How much time would it…
A: Power is defined as the work done per unit time. P=Worktime When a mass is raised to some height, we…
Q: If you pull a wagon with the force of 200 N and it takes you 20 seconds to pull it 10 m on flat…
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Q: Work is a time-based quantity; it is dependent upon how fast a force displaces an object.
A: Work is defined as the force which is required to cause a displacement in the object. It is the…
Q: Al lift to raise a crate to height of 10.0 m is used. [1hp= 746 W] How much hp is necessary to raise…
A: The energy used to lift the crate of mass m is its potential energy. Write the expression for…
Q: An electric motor raises an elevator weighing 1.20 x N a distance of 9 m in 15 s. What is the power…
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Q: A stone is dropped from a height of 20 m. At what height is half of its energy potential and half…
A: The initial height of object is Find:The height at which half of object's energy is potential and…
Q: 1.What will be the final velocity of an object having a mass of 12 kg if it moves by 12 meters while…
A: Given data: The mass, m=12 kg The force, F=50 N The distance, S=12 m
Q: Calculate the work needed for a 65 kg tourist to climb to the top of the great pyramid in Egypt with…
A: The net force acting on an object is equal to the mass times the acceleration of the object. This is…
Q: What is the total mechanical energy of falling baseball from the highest of 4m, 3.22m and 2.25m? For…
A: Here we have to apply conservation of mechanical energy Conservation of mechanical energy According…
Q: what is the power required for a 55 kg student to run up a set of stairs that has a height of 20 m…
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Q: 8. Describe an object that has a lot of kinetic energy, but not much speed.
A: The kinetic energy of an object is given as, K=12mv2 Here, m denotes the mass and v denotes the…
Q: What is the work output of a machine with 62% efficiency with an in- put of 537 J? A 870 J 33 000 J…
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Q: Find the height of box of 10 kg should to be raised to achi potential energy of 250 J. Take g=10…
A: GivenMass of box, m=10 kgPotential energy, PE=250 Jg=10 m/s2
Q: In the absence of air resistance, a ball thrown vertically upward with a certain initial KE will…
A: When air resistance is a factor affecting the ball, it will return to its original level with the…
Q: If the unit of your answer is kg m/s, which of the following types of quantities could your answer…
A: Power = work/time = (F s)/t = (m a s )/t = (Kg * (m/s2)*m)/s = Kg m2/s3
Q: Lifting a weight to a height of 20 m takes 20 s for one crane and 10 s for another. What is the…
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Q: The unit of . .is Kg.m/s2. * Mass O Power O Energy Acceleration Weight
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Q: A car's engine supplies 1000 N of force for 20 m in 5 seconds. What is the work done by the engine…
A: Given data: A car's engine supplies a force of, F= 1000 N For a distance of, d= 20 m During the…
Q: What is the power output for a 60kg person who climbs a 5 m high staircase in 15 s
A: The objective of this question is to calculate the power output of a person climbing a staircase.…
Q: if you pull a wagon with a force of 200 Newton's and it takes you 20 seconds to pull it 10 meters of…
A:
Q: A 1,000-W motor powers a hoist used to lift cars at a service station. (a) How much time would it…
A:
Q: What will be the power of a girl who can run with a velocity 4 m/s for 20 seconds. The mass of the…
A:
Q: 9. A mother is pushing her little san, Mark, on a swing: The highest point reached by the swing is…
A: Maximum height, Minimum height, Acceleration due to gravity,
Q: A body of mass 20 kg is lifted up through a height of 4 m. How much work is done? (take g = 9.81…
A: Given data, Mass, m = 20 kg height lifted, h = 4 m Only…
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