Calculate the power required to raise a 20 kg object to a height of 10 m in 1 minute. What assumptions, if any, do you need to make to solve this problem?
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A: Given data: Force (F1) = 90 N Distance (d1) = 20 m Distance (d2) = 15 m The work done by both…
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Q: A bag of wheat weight 320 kg. To what height should it be raised so that potential energy is 6790J?…
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Q: A heavy box is to be moved from the floor to a sturdy shelf 2 meters above the floor. You have two…
A: Work done is change in energy To move the box from floor to sturdy self 2m high we need to do work…
Q: A car of wheat weight 700 kg.To what height should it be raised so that potential energy is 8860 J?…
A: Given data: Mass of car (m) = 700 kg Potential energy (PE) = 8860 J Acceleration due to gravity (g)…
Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…
A: Given: m = 800 kg v = 7.5 m/s h = 8.7 m t = 4 s…
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Q: A 3500 lb SUV accelerates from 0 to 30 mph over a distance of 80 feet. Use work and energy to…
A: As per the work-energy theorem, Here, W, K, F, d, m, u, and v represent the force’s work, the car’s…
Q: A 83.5 kg man walks up a set of stairs in 11.7 s. The man rises 4.5 m in going up the stairs. What…
A: Write the expression for the work done by the man to climb a set of stairs and substitute the…
Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…
A: The answer is below
Q: A crane lifts a 320 kg crate up a height of 4.5 m. The crane has a power rating of 2000 W. How much…
A: Given data The mass of the crate is given as m = 320 kg. The height up to which the crate lifts is…
Q: A person lifted the barbell from the ground. The mass of the barbell was 100 kg. It took him 0.5…
A: The objective of the question is to calculate the average power output of a person lifting a…
Q: . is the work required to raise a 200 kg barbell to a height of 1.25 m? From the problem, what is…
A: Mass = m = 200 kg Height = h= 1.25m
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A: Given that: The mass of the helicopter is m=710 kg The initial velocity is u=0 m/s The final…
Q: A bag of wheat weight 100 kg. To what height should it be raised so that potential energy is 120 J?…
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A: Power is defined as The product of Force and velocity. Velocity is defined as the ratio of…
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Q: A (6.40x10^1) kg woman runs up a flight of stairs in 5 s. Her net upward displacement is 5 m. What…
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Q: A 57.7 kg man walks up a set of stairs in 11.6 s. The man rises 4.2 m in going up the stairs. What…
A: Given, mass of the man , m = 57.7 kg time , t = 11.6 s height, h = 4.2 m Power = Worktime The…
Q: A car of wheat weight 330 kg . To what height should it be raised so that potential energy is 8860 J…
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Q: power
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A: Given Data Mass of man, m = 55.5 kg height, h = 4.5 m Time taken, t = 10.2 s Average power (in…
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A: Given: Mass of cat m=5kg Power P=196 watt.
Q: A bag of wheat weight 290 kg .To what height should it be raised so that potential energy is 7680 J?…
A: Given data : Potential energy = 7680 J Mass = m Acceleration due to gravity = g To…
Q: A student who weighs 545 N climbs a stairway (vertical height of 4.3 m) in 30 s. What is the power…
A: The work done by the student is,
Q: Your friend is pushing a crate. The crate is so heavy of 120 kg of mass that it is moving very…
A: Mass of crate, m=120kg Initial speed of crate, u=2m/s Final speed of crate, v=5m/s Let the work done…
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