A car accelerates uniformly from rest to 20.0 m/s in 5.6 s along a level stretch of road. Ignoring friction, determine the average power required to accelerate the car if :  a.) the weight of the car is 9.0 kN and b.) the weight of the car is 1.4x10^4 N

Q: A 710 kg car drives at a constant speed of 23 m/s. It is subject to a drag force of 500 N. What…

A: Given,mass of the car, m = 710 kgspeed of the car, v = 23 msdrag force, F = 500 Nslope of the…

Q: A bicyclist starting from rest applies a force of F = 359 N to ride his bicycle across flat ground…

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Q: Multiple-Concept Example 13 presents useful background for this problem. The cheetah is one of the…

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Q: A student weighing 551 N climbs at constant speed to the top of an 14 m vertical rope in 17 s. What…

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Q: 16. A diesel-powered crane (mc = 2.93 x 10° kg) is lifting a heavy block of concrete mb = 8.44 x 104…

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Q: A 10.0 kg block is pushed at an angle of 30.0 degrees across a rough horizontal floor of 1.5 m long.…

A: mass of the block= m = 10kg frictional force = f = 150 N displacement= S = 1.5 m total work= W =…

Q: A cord is used to vertically lower an initially stationary block of mass M = 2.2 kg at a constant…

A: Given: Mass of the block, M = 2.2 kgDownward acceleration, a = g/4distance fallen, d = 5.0 m

Q: A crate with a mass of 66.0 kg is pulled up an inclined surface by an attached chain, which is…

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Q: A 5.0-kg box has an acceleration of 2.0 m/s2 when it is pulled by a horizontal force across a…

A: Given: Mass of the box = 5 Kg Acceleration of the box = 2 m/s2 Coefficient of the kinetic friction =…

Q: A 10 kg mass is released from rest from the top of a 2 m long ramp, inclined at 30°. The speed of…

A: 7) work done by the friction = final kinetic energy - initial potential energy W = (1/2)(10)(2)2 -…

Q: A crate of mass 20.0 kg is pushed up a rough incline, which makes an angle of 25o with the…

A: As per Bartleby guidelines, only first three subparts can be solved at once.  Given data :-

Q: A skier of mass 62 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: mass of skier (m) = 62 kg distance pulled (d) = 50 m Angle of incline (θ) = 30oConstant speed (v) =…

Q: A crate of mass 15 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling…

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Q: A sled with a mass of 5.80 kg is pulled alongthe ground through a displacement given by d>= 14.55…

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Q: As the driver steps on the gas pedal, a car of mass 1 160 kg accelerates from rest. During the first…

A: Given data: The acceleration a of the car increases with time t as, Mass of the car is m= 1160 kg…

Q: Using energy considerations, calculate the distance the 65.0-kg baseball player slides,given that…

A: The initial kinetic energy of the system is

Q: A 710 kg car is moving on level ground at a constant speed of 23 m/s. It is subject to a drag force…

A: Given data:  Force (F) = 500 N Speed (v) = 23 m/s Required: The power (P)

Q: A skier of mass 61 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: Given:Mass = 61 kgDistance to be covered = 55 mAngle = 30oSpeed = 2.1 m/s

Q: A person pushes horizontally on a heavy box and slides it across the level floor at constant…

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Q: The box has a mass of 50 kg and is at rest. When it is pulled with 1000 N it reaches speed of 5m/s.…

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Q: A 54 kg person starts from rest, skis down a slope of height 50.00m, rises again to a slope of…

A: The mechanical energy at point A is given by MEA=KA+UA=0+mgh=54 kg9.81 m/s250 m=26487 J The…

Q: A car of mass 920.0 kg accelerates away from an intersection on a horizontal road. When the car…

A: mass of car (m) = 920 kg speed (v) = 12.4 msNet power (P) = 5300 W

Q: A crate on a motorized cart starts from rest and moves with a constant eastward acceleration of a =…

A: Given: The eastward acceleration of crate (a) = 2.2 m/s2. The force applied on crate (F) = 5.4t.

Q: Calculate the work done by gravity. A 6.10 kg block is pushed 9.10 m up a smooth 36.0 ° inclined…

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Q: A 600 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m (about a quarter of a…

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Q: A luge and its rider, with a total mass of 85 kg, emerge from a downhill track onto a horizontal…

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Q: A skier of mass 71 kg is pulled up a slope by a motor-driven cable. (a) How much work is required…

A:

Q: Q.3. A 50.00-kg skier is at the top of a 100-m high slope. (a) Using conservation of energy…

A: Given Data: The mass of the skier is, m = 50 kg. The height of the slope is, h = 100 m. (a) From,…

Q: 19. If a ski lift raises 100 passengers averaging 660 N in weight to a height of 150 m in 60.0 s, at…

A: average weight of a passenger= 660 N Total weight lifted= 100×660= 66000 N Height H= 150 m time…

Q: A skier of mass 70.0 kg is pulled up a slope by a motor drivencable. (a) How much work is required…

A: (a) The vertical distance travelled by the skier is

Q: A bicyclist starting from rest applies a force of F = 239 N to ride his bicycle across flat ground…

A:

Q: A car accelerates uniformly from rest to 24.2 m/s in 8.46 s along a level stretch of road. Ignoring…

A: The initial velocity of car = 0 m/s.The final velocity = 24.2 m/s.The time taken  by the car to…

Q: A 1631-kg car coasts in neutral down a 2.00 degree hill. The car attains a terminal speed of 20.0…

A:

Q: 3. A 2.35 x 10" kg car accelerates uniformly from rest to 13.0 m/s in 2.18 s. What is the power…

A: Power is defined as the rate of workdone and the formula is: P=Wt

Q: A swimmer moves through the water at an average speed of 0.22 m/s. The average drag force is 110…

A: Given , velocity of the swimmer V  = 0.22 m/s Average drag force F = 110 N The swimmer has to do…

Q: A 700 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m (about a quarter of a…

A:

Q: A cord is used to vertically lower an initially stationary block of mass M = 6.5 kg at a constant…

A:

Q: An initially stationary 2.0 kg object accelerates horizontally and uniformly to a speed of 10 m/s in…

A:

Q: A skier of mass 77 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A:

Q: A new car model claims that a certain 1600 kg car can accelerate from rest to a speed of 25m/s in a…

A: Given  Mass of car, m = 1600 kg  Accelerates from rest at speed of 25 m/s in time 10 sec

Q: A 1.50 x 10^3 kg car starts from rest and accelerates uniformly to 18.0 m/s in 12.0 s. Assume that…

A: Average power = network done / time                           = total change in kinetic energy /time

Q: An initially (t = 0) stationary 2.0 kg object accelerates horizontally and uniformly to a speed of…

A: Solution

Q: An elevator car (8.14a) has a mass of 1 600 kg and is carrying passengers having a combined mass of…

A: Given: The mass of the elevator is m=1600 kg. The mass of the passenger is m'=200 kg. The friction…