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?

Q: A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 30 m in 2.0 min, what…

A: Given that,Force : F = 75 (N)Displacement : s = 30 (m)Time : t = 2 (min)Here we need to find the…

Q: A 169.5 lb hiker is able to ascend a 1,980.0 ft high slope in 1 hour and 45 minutes. (a) How much…

A: Given : F = 169.5 lb d = 1980 ft t = 1 hour 45 minutes = 6300 seconds

Q: 6.34 A pump lifts water from a lake to a large tank 20 m above the lake. How much work against…

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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?…

A: Given data :                Acceleration due to gravity    =   g                  Potential energy…

Q: What average power does a 1,565 kg car need to go from 0 to 12.6 m/s in 6.86 seconds? Assume a…

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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 62.0 kg woman runs up a flight of stairs having a rise of 4.28 m in a time of 4.20 s. What average…

A: Given data: Mass (m) = 62 kgHeight (h) = 4.28 mTime (t) = 4.20sRequired:The average power (P)

Q: How much power will a 260 N student develop if he/she climbs a flight of stairs 12 m from the ground…

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Q: A box is lifted vertically 1.5 m and is then held there. The box has a weight of 100 N. Ignore…

A: Work done on a body is given by,  Work = force × displacement W = (Mg) × ( h) = Potential energy at…

Q: How much work is required to throw a ball with a mass of 0.46 kg 33.1 m/s? Assume the ball starts at…

A: Given Mass of ball = 0.46 kg Initial velocity of ball = 0 m/s Final velocity of ball = 33.1 m/s We…

Q: A force of 20 Ib is required to hold a spring stretched 8 in. beyond its natural length. How much…

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Q: A person carries a 50 kg object up a flight of stairs. There are ten stairs; each step is 30 cm high…

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Q: An elevator has a rated capacity of 1000 kg. It can transport people at the rated capacity between…

A: Given data m=1000 kgd=5 mt=7 sec

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 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)

Q: A cable with mass ½ kg/meter is lifting a load of 150 kg that is initially at the bottom of a 50…

A: The formula for the work done is: The work done required to lift the load only is:

Q: A motorized winch is being used to pull a felled tree to a logging truck. The motor exerts a force…

A: Given: The force is fx=1500+10x-12x2 lb. The distance moved is 40 ft.

Q: A force of 12 Ib is required to hold a spring stretched 2 in. beyond its natural length. How much…

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Q: A 55.5 kg man walks up a set of stairs in 10.2 s. The man rises 4.5 m in going up the stairs. What…

A: Given Data Mass of man, m = 55.5 kg height, h = 4.5 m Time taken, t = 10.2 s Average power (in…

Q: What would be the power output in hp of a 1750 kg car if it can ascend to the top of a 285 m high…

A: Take the bottom of the hill to be at height zero. The potential energy of the car at the bottom of…

Q: A 85.5-kg person rides an elevator up one level, going up a total distance of 3.02 m. How much…

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Q: A 75 kg student runs up the stadium stairs for a distance of 15.00 m in 5.0 seconds. How much power…

A: mass = m = 75 kg height = h = 15 m time = t = 5 sec

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: As a part of a charity fund-raising drive, a marathon runner with mass of 75 kg runs up the stairs…

A: Work done required for mass m to climb height h will be against gravity. Wreq = mgh we Also know,…

Q: A 700 N Marine soldier in basic training course climbs a 10.0 m vertical rope at a constant speed in…

A: Given, Weight of Marine soldier =W=700 N Height of climbing=h=10.0 m Time is taken by the soldier to…

Q: A object 2 kg is moving in one dimension with a velocity given by  V(t)= 1 / 2 t^2  at t=4 s.…

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Q: a man and his son weigh 81.8 kg and 41 kg respectively. They climb identical ladders to a height of…

A: mass of man, M = 81.8 kg  mass of son, m = 41 kg  height, h = 6 m  time, t = 30 s

Q: 50.0kg marathon runner runs up the stairs to the top of a 443m tall tower. To lift herself to the…

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Q: A 77.7 kg man walks up a set of stairs in 10.6 s.  The man rises 4.3 m in going up the stairs.  What…

A: Mass of man, m = 77.7 kg Man rised to a height, h = 4.3 m Time taken, t = 10.6 s Average power (in…

Q: A person used 60 W of power to carry a 55 N box up a 5 m ladder. How long did it take him to do…

A: We know, work done (w)= Force×displacement =F×d And power(P)= W/t So time taken to do the work (t) =…

Q: A 60 kg woman runs up a flight of stairs having a rise of 4.5 m in a time of 4.3 s. What average…

A: Dear student The average power is defined as Force × Velocity Basically Power is work done per unit…

Q: Yosemite Falls in California is about 0.740 km high. What average power would it take for a 73.0-kg…

A: The average power required for a person to hike up to the top of Falls is