(Exercise. Derivation
Q: A weight lifter raises a 963 N weight a vertical distance of 1.87 m. Compute the work done by the…
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Q: The Lamborghini Huracan has an initial acceleration of 0.80g. It’s mass, with a driver, is 1510kg.…
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Q: A transport truck driving at a constant speed of 84.6 km/hr on a flat stretch of highway must…
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Q: pump is required to raise 600 litres of fresh water a vertical distance of 120m. If the efficiency…
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Q: Calculate its mechanical advantage F
A: Given data; Length =4 m=400 cmFulcrum is situated at a distance=60 cmCalculate its mechanical…
Q: A person with a weight of 590N is hanging on the end of a rope swing. The other end of the rope…
A: Given data: Weight of the person (W) = 590 N Other end of the rope is attached to the tree Required:…
Q: How much work is done lifting a 20 pound object from the ground to the top of a 50 foot building if…
A: Weight = 20 pounds Weight per foot = 2.5 lb/ft Height = 50 ft Workdone, W = ?
Q: A force of 1000N is applied to a 1200Kg car. If the coefficient of rolling friction is 0.04, what is…
A: Here,
Q: A boy uses a string to swing a 2 kg stone around his head. If the string is 1.5m, and can bear a…
A: Given Tension = 2224N Radius of the swing = length = 1.5 m Mass of the object = m = 2 kg
Q: Pushed a 10kg box of rocks across the floor. The coefficient of friction between the box and the…
A: It is given that, m=10 kgμ=0.2
Q: A transport truck driving at a constant speed of 83.3 km/hr on a flat stretch of highway must…
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Q: A transport truck driving at a constant speed of 87 km/hr on a flat stretch of highway must produce…
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Q: How much work is done lifting a 35 pound object from the ground to the top of a 30 foot building if…
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Q: A 66 kg man pushes off from the 108kg block on ice and slides away at a speed of 4 m/s What is the…
A: Given: Mass of a man (m) = 66 kg. Mass of a block (M) = 108 kg. Speed of man (v) = 4 m/s.
Q: What is the ΔKE if a grocery cart is pushed 12 m with a force of 15N?
A: Given Force on grocery cart F = 15 N Distance to which grocery cart is pushed d = 12 m To find…
Q: A book is pushed with a force of 71N which produced a work done of 24J. How far did the book travel?
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Q: A 5 kg block requires 6 m to slide to a stop.If the force of friction was 21 N, what was the initial…
A: In this question the block experiences a frictional force in the opposite direction of the motion,…
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- A force of 18 N is needed to start a box weighing 76 N sliding across the floor. What is the coefficient of friction?An elevator motor lifts a 2650-kg load a height of 39 m in 12 s.Lever is 5 m long. Distance from fulcrum to the weight to be lifted is 2 m. If the boy pushes on the opposite end with 400 m, what is max wieght he can lift?
- A 5 kg block requires 4 m to slide to a stop.If the force of friction was 26 N, what was the initial velocity of the block? Calculate answer to one decimal.A body moves at a constant speed of 20 m / s without hindrance to movement. After 10 seconds, your speed will be:A roller coaster rises 140ft, drops 90.25ft, rises 100 3/4ft, and drops 200 1/2ft. Describe the final height of the roller coaster.
- A person has a weight of 65 kg. Calculate the work to be done in climbing 3.5 m from the steps of a building.A 1,077 kg car moving at 16 m/s on dry pavement, skids to a stop over 245 m. What is the force of friction between the car’s tires and the pavement? Calculate answer to one decimal.A force of 800 N is applied to push a 1000 kg car. If the coefficient of rolling friction is 0.06, what is the acceleration of the car?