An object that weighs 35 N on earth moves downward a distance of 120 min 22 seconds. What is the power output
Q: An electric motor is rated to have a maximum power output of 0.83 hp. If this motor is being used to…
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Q: Show that the function S = (mω/2)(q2 + α2) cot ωt − mωqα csc ωt is a solution of the…
A: Given S = mω2 q2+α2 cot ωt - mωqα csc ωt H = 12m p2 + m2 ω2 q2
Q: A 64 kg student travels from the first floor to the fourth floor of a school (a height of 15 m).…
A: Calculate the total work did she do climbing the stairs. Work doneW=Massm×g×height(h)…
Q: A 25 kg sack of rice is lifted 1.25 m above the floor for 50 sec. The rate at which work is done on…
A: Given Data: mass (m) = 25 Kg Height (h) = 1.25 m Time (t) = 50 s
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Q: What power output is required of a motor that needs to lift a 450 kg elevator car 12 meters in 8.0…
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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 1800 kg car accelerates from rest to a velocity of 18.0 m/s in 8s. Calculate the power output of…
A: Given, mass (m) =1800 kg velocity (v) = 18 m/s time (t) = 8 secs
Q: A crane lifts a 1460kg massive object from ground level to a height of 15m. This process is…
A: The given values are, m=1460 kgh=15 mt=49 s
Q: A 1500 kg car accelerates from rest to a velocity of 10.0 m/s in 5.00 s. Calculate the power output…
A: The objective of the question is to calculate the power output of the car during its acceleration…
Q: What is the power output of a 60.0 kg student runs at a constant velocity up a flight of stairs 4.50…
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Q: 50.0-kilogram crate a vertical distance of 3.00 meters in 3 seconds. How much power does the student…
A: Given parameters are, mass of crate , m = 50kg…
Q: The brakes of a truck cause it to slow down by applying a retarding force of 6610 N to the truck…
A: Given, Retarding force = 6610 N distance = 1100 m
Q: A 40-foot rope with a linear density of 0.1 pounds per foot is hanging from the edge of a balcony. A…
A: Given: e=0.1 pounds per foot L=40ft w=20lb
Q: stant force of 10.3 newtons is used to push a 3.0 kilogram mass 15.0 meters across the floor. How…
A: We know that the work done on an object is defined as when a force F is applied to an object of mass…
Q: A student who weighs 543 N climbs a stairway (vertical height of 3.3 m) in 24 s. a) how much work…
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Q: a small electric motor lifts a 12.5 kg mass to a height of 4.20 in 75.0 s. what is the power output…
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Q: 2 people of the same mass climb the same set of stairs. Person A climbs the stairs in 25s. Person B…
A: Part (a) The work done does not depends on the time taken by both the people. The expression for…
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: 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: Questions 1, 2, and 3 below refer to a person pulling a box mass m along a frictionless horizontal…
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Q: How much work is required to throw a ball with a mass of 0.19 kg 32.18 m/s. Assume the ball starts…
A: Given: Mass of ball, m=0.19 kg As the ball start from rest, hence initial speed of ball, u = 0 Final…
Q: A pump is capable of developing 4.00 kW of power. How many liters of water per minute can be lifted…
A: Given Power of pump = P = 4.00 kW Distance of water lifted = h = 35.0 m 1 L = 1 kg We have to…
Q: A student lifts a 900 N bar (200 lbs) 0.5 m in 2.0 seconds. What is the work done by the student on…
A: Given: The weight of the bar is 900 N. The displacement is 0.5 m. The time duration is 2.0 s.
Q: a force of 30.0 N is required to push a 20.0kg mass 2.00 m across the floor. the mass is then lifted…
A: The work done by a force is given by, W=Fdcosθ Here, F is the magnitude of the force, d is the…
Q: An electric hoist working at 65% efficiency lifts 255 kg to a height of 6.5 m drawing 1470 W of…
A: Efficiency e = 65 M = 255 kg H = 6.5 m P = 1470 w
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- A conveyor belt increases the speed of a 14 kg package from rest to 6 m/s. This acceleration occured over a period of 3.5 seconds. How much power did the conveyor produce?A force of 20.0 N acts on a 5.0 kg object through a parallel distance of 1.3 m. How much work is done on the object?The brakes of a truck cause it to slow down by applying a retarding force of 7760 N to the truck over a distance of 868 m. What is the work done by this force on the truck?
- A student who weighs 547 N climbs a stairway (vertical height of 2.9 m) in 21 s. (a) How much work is done?=__________ J(b) What is the power output of the student?=__________ WA 715-N Marine in basic training climbs a 10.5-m vertical rope at a constant speed in 6.00 s. What is his power output?What is the average power needed to move a 1000 kg car from rest in 7 seconds at a rate of 4 m/s^2?
- A truck weighing 3.0 x 10^4 newtons was driven up a hill that is 1.6 x 10^3 meters long to anarea that is 8.0 x 10^2 meter above the starting point. If the trip took 480 seconds, what was the minimum power required?A 50-kg girl runs up a 5-meter tall hill in 10 seconds. What is her power output? Show the formulas, substitution and final answer with units.A 655-N Marine in basic training climbs a 11.5-m vertical rope at a constant speed in 7.75 s. What is his power output?
- What is the power required to accelerate a 10 kg mass from a velocity of 5 m/s to a velocity of 15 m/s in 3 seconds? 333 W 225 W 167 W 33 WA man can manage a power output of 180. How long will it take him to lift the a 40 kg box to a height of 2 m?A 5 m rope weighing 0.50 kg per m is hanging from the ceiling. Find the work required to lift the bottom end of the rope to the ceiling so that it is level with the upper end.