What is the power output for a 60kg person who climbs a 5 m high staircase in 15 s
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Q: A 5.0 kg cat leaps from the floor to the top of a 95cm high table. If the cat pushes against the…
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A: Work done W = 9.4 J Spring constant k = 190 N/m
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Q: a 75.8 kg person runs up a flight of stairs having a rise of 5.3 m in a time of 4.5 s. What average…
A: Given data: Mass (m) = 75.8 kg Height (h) = 5.3 m Time (t) = 4.5 s Required: The average power (P)
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Q: A running 40-kg cheetah has a top speed of 31 m/s. (a) What is the cheetah's maximum kinetic energy?…
A: Answer:- Given Mass(m) = 40 kg Speed (V) = 31 m/s (a) We know that Kinetic energy (K.E) = (1/2)…
What is the power output for a 60kg person who climbs a 5 m high staircase in 15 s
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- A box m = 85 kg is being pulled by a constant force F = 150 N at an angle of θ= 25 degrees. The initial speed of the box is zero. How much work, in joules, is done by the normal force as the block moves 3.9 m?Calculate the average power necessary for a 55.8 kg person to run up a 5.0 m high, sloped hill, in 3.00 s.how much power in watts is required to accelerate a 1200 kg car from rest to 16 m/s in 8 seconds against a constant air resistance of 350 N
- How much power is needed to push a 1100 kg piano up a 4.0 meter ramp into a truck bed that is 1.5 meters off the ground in 10.0 seconds. The coefficient of friction between the ramp and the piano is 0.32The power source for a non-electric grandfather clock is a 12.0 kg weight that hangs by a chain and slowly falls 0.750 m every week as the pulling force runs the clock. At the end of each week, the owner pulls the mass up back to the top and the clock runs for another week. What is the average power required to run the clock? (1 mW = 10^-3 Watts, 1 µW = 10^-6 Watts)When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.00×10³ J. By how much does the potential energy of a 18.0 kg child increase when the child climbs a normal staircase to the second floor?
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- A 1.00 kg object is dropped from a height of 10.0m and loses 20.0 J of energy due to air resistance as it falls. What is its speed just before it hits the ground?A 2.00 kg object is dropped from a height of 20.0m and loses 25.0 J of energy due to air resistance as it falls. What is its speed just before it hits the ground?It takes 87 J of work to stretch an ideal spring from 1.4 m to 2.9 m from equilibrium. What is the value of the spring constant (force constant) of this spring?