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: An escalator is used to move 2.3 * 10' people (60 kg each) per minute from the first floor of a…

A: Given: number of people=2.3*101 = 23 mass of each people m = 60 kg height h = 5m time taken t = 1 m

Q: 19. What power is needed to move a 13.4 kN car up an 8 degree incline with a constant speed of 80…

A: Given: The weight of the car is 13.4 kN. The frictional force is 360 N. The inclination of the ramp…

Q: As part of a charity fund raising drive, a runner with mass 50.0 kg runs up the stairs to the top of…

A: Mass of the runner=50kgHeight=443macceleartion due gravity=g=9.8m/s2Increase in potential…

Q: A 1,505 kg car starts at rest and speeds up to 4.2 m/s with a constant acceleration. If the car…

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Q: A man pulls a 6 kg luggage along a level road for 12 m exerting a force of 15 N at an angle of 20…

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Q: A 50.0-kg marathon runner runs up the stairs to the top of Chicago’s 443-m-tall Willis Tower.…

A: Given: m = 50.0 kg h = 443 m t =15.0 minutes = 15.0*60 sec = 900 sec

Q: A 72.3 kg student runs up the stairs of a football stadium to a height of 11.1 m above the ground in…

A: Power is defined as the Work Done or Energy per unit time.P=Et The energy of an object of mass m at…

Q: A 65-kg woman runs up a flight of stairs in 10.0 s. Her net upward displacement is 3.0 m.…

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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: Compute the kinetic energy of 1200kg automobile traveling at 20km/hr.

A: Given, Mass of automobile,m=1200 kg Speed, v=20 km/h=5.5 m/s

Q: A 2000kg car accelerates to 20 m/s.  If the car can do this in 10 seconds, what was the average…

A: Given: Mass of car (m) = 2000 kg Final velocity of car (v) = 20 m/s Time taken to achieve final…

Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 11.8 m across a smooth floor…

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Q: A 520-kg dragster accelerates from rest to a final speed of 105 m/s in 390 m, during which it…

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Q: *68. D In 2.0 minutes, a ski lift raises four skiers at constant speed to a height of 140 m. The…

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Q: A toy train accelerates from rest to 0.62 m / s in 21 ms. If the mass of the train is 875 g, what is…

A: ACCELERATION  OF TARIN a = 0.062 / 21 X 10-3 m / s2 = 2.95 m/ s2 mass = 0.857 kg v= 0.62 m/s power =…

Q: Suppose that as part of their training, the football players of MSU went up a stair in 66 s. The…

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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: Four students run up the stairs in the times shown. Rank in order, from largest to smallest, their…

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Q: An 82 kg man in basic training climbs a 16 m vertical rope at constant speed in 8 s. What is his…

A: mass of man (m) = 82 kg height (h) = 16 m time (t) = 8 seconds

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: How much time is required for a elevator to lift a 2000 kg load up 28 m from the ground level, if…

A: Given data: Mass m = 2000 kg Distance from ground level d = 28 m Power P = 13 kW

Q: In 1.62 minutes, a ski lift raises four skiers at constant speed to a height of 146 m. The average…

A: Given information: Here, m is the mass of each ski, h is the height up to which skies are raised in…

Q: A horse pulls a cart with a force of 0.2 kN at an angle of 27 degrees with the horizontal and moves…

A: F = 0.2 kN = 0.2 x 103 N θ = 270 v = 10 kph = 10kmh×1000m1km×1h60min×1min60s = 2.778 m/s t = 12 min…

Q: Calculate the power output needed for a 952-kg car to climb a 2.00° slope at a constant 33 m/s while…

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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 mouse of mass 176 g falls 92 m down a vertical mine shaft and lands at the bottom with a speed of…

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Q: In climbing up a rope, a 62-kg athlete climbs a vertical distance of 5.0 m in 9.0 s. What minimum…

A: Given Data: The mass of an athlete is m=62 kg The vertical distance is, d=5 m The time required 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: Suppose a 925-kg car climbs a 2.05° slope at a constant speed of 30.5 m/s.   Calculate the power…

A: Since, the car climbs the slope with a constant velocity, the expression for the power required is,

Q: If a 1000 kg car is exiting a highway through an above-the-ground ramp of 5.0 m radius at 12 m/s,…

A: The given values are, m=1000 kgr=5.0 mv=12 m/s

Q: Calculate the average power necessary for a 55.8 kg person to run up a 5.0 m high, sloped hill, in…

A: The expression for the average power is P=Wt Here,P  is the average power,  iWs the work done by…

Q: Calculate the power output needed for a 989.00 kg car to climb a 2.00° slope at a constant 45.00 m/s…

A: Given, Mass of  car m = 989 Kg Slope θ =2∘   Speed v = 45 m/s friction f = 749  N   We know the…

Q: A spring with a spring constant k = 852 N/m is compressed from its unstretched length to a length of…

A: The potential energy of the spring is given by 0.5kx^2            where k= spring constant…

Q: A particle, mass 8 kg, moves along the y axis with a speed of 3.3 m/s. It experiences a force of 16…

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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: To pass a slow-moving truck, you want your fancy 1.30 * 103@kg car to accelerate from 13.4 m>s…

A: Let E1 and E2 denote the initial and final kinetic energy of the car, E denote the change in kinetic…

Q: A 55-kg marathon runner runs up the stairs to the top of Taguig’s 318-m Grand Hyatt Manila, the…

A: Mass of the runner M=55 kg The height reached h=318 m The time taken t=20 minutes=20×60 s=1200 s…

Q: A 2.2 kg object is initially moving at 5.78 m/s. After a time of 4.9 s, the object is moving at a…

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Q: What average power is required for a runner with a mass of 80 kg to reach a speed of 9 m/s during a…

A: Solution: Given that m = 80 kg v = 9 m/s t = 2 s

Q: 12. A person runs up a long flight of stairs in 10 seconds. If the person’s weight is 600 N and the…

A: Given data The time taken by the person is t = 10 s. The person weight is W = 600 N. The vertical…

Q: Suppose that as part of their training, the football players of Luzon went up a stair in 66 s.…

A:

Q: What power is needed to move a 13.4 kN car up an 8 degree incline with a constant speed of 80 kph…

A: Given: Mass of car, m = 13.4 kN = 1366.42 kg Angle = 8 degree Speed, v = 80 kph = 80 X 5/18 = 22.22…

Q: What is the power output for a 60.0-kg woman who runs up a 3.00 m high flight of stairs in 3.50 s,…

A: The mass of the woman is m=60 kg. The height is h=3 m. The time is t=3.50 s. The final speed is vf=2…

Q: What average mechanical power (in W) must a 61.5 kg mountain climber generate to climb to the summit…

A: According to work energy theorem, the work required to climb the hill is,Substitute the values,

Q: Calculate the power output needed for a 952-kg car to climb a 2.00° slope at a constant 33 m/s while…

A:

Q: A student who weighs 559 N climbs a stairway vertical height of 3.0 m in 28 s how much work is done?…

A: Weight of a student (w) = 559 N Height of stairway (h) = 3 m Time taken (t) = 28 s