A car produces 54 kW of power to maintain a constant speed of 36 m/s on the highway. What average force does the engine exert?

Q: An engine is being used to raise a 89.0 kg crate vertically upward. If the power output of the…

A: Given: mass of crate, m = 89 kg power output of the engine, P = 1620 W vertical distance, h = 18.7 m

Q: A speed boat requires 85.0 kW to move at a constant speed of 14.0 m/s. What is the resistive force…

A: Given information: Here, P is the power required by the boat to maintain its speed v.

Q: A 45.0 kg student climbs a 5.45 m long rope and stops at the top. What must her average speed be to…

A: The work done by the student is equal to the change in gravitational potential energy. Hence,  W=mgh…

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: When an automobile moves with constant speed down a highway, most of the power developed by the…

A: the expression for power is,here, f is the frictional force,

Q: A 2.1 x 103-kg car starts from rest at the top of a 4.4-m-long driveway that is inclined at 24° with…

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Q: A 600-N Marine ir 10.0-m vertical ro rc

A: Given: Force, F=600 N Distance=10 m time=8 sec

Q: A 36.0-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of…

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Q: A car, starting from rest, accelerates in the +x direction as in the figure. It has a mass of 1.10 ×…

A: Given data The mass of the car is m = 1.10 x 103 kg. The acceleration of the car is a = 3.70 m/s2.…

Q: A warehouse worker uses a forklift to raise a crate of pickles on a platform to a height 2.75 m…

A: Write the given data. m=207 kgh=2.75 mP=1440 W

Q: The engine of a Honda Civic has a power of 1.32 x 105 W (176.88 hp).   a) How much work does this…

A: Power is defined as the energy transferred per unit time. Since this energy is consumed in work…

Q: A funny car accelerates from rest through a measured track distance in time 48 s with the engine…

A: Start by using the work-energy theorem to relate the power and time to the acceleration and distance…

Q: It takes a force of 1450 N to keep a 1300-kg car moving with constant speed up a slope of5.25°. If…

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Q: An elevator can carry a maximum load of 1168 kg (including the mass of the elevator car). The…

A: The weight pf the counter drops down a height h when the elevator moves up a height. So the elevator…

Q: A boat moves through the water at an average speed of 33 m/s. The average drag force opposing this…

A: Given data:  Speed (v) = 33 m/s Force (F) = 1064 N 1 HP = 745.7 W Required: The average power in HP

Q: A wowan jumps from a high wall and lands in soft sand. The sand exerts an average upward force of…

A: Work done by the sand is the product of the force on woman by the sand times the displacement of the…

Q: In a dam, water is flowing at the rate of 1400 kg/s and falls from 40 m height. The power is…

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

A: Given: A crate on a motorized cart starts from rest and moves with aconstant eastward acceleration…

Q: how much power in watts is required to accelerate a 1200 kg car from rest to 16 m/s in 8 seconds…

A: Solution: Given: m = mass of car = 1200 kg u = initial speed of car = 0 m/s v = final speed of car =…

Q: A car with mass m = 1.2 tonnes , travels at a constant speed of v = 110 kph in a straight line, on a…

A: This is an extremely immense force that cannot be applied by a human.

Q: A force produces power P by doing work W in a time t. What power will be produced by a force that…

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Q: A 108 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope…

A: Mass of man (m) = 108 kg Initial speed (u) = 9.5 m/s Height of final level above the ground (h) =…

Q: A 1200 kg car can accelerate from 30 m/s to 50 m/s in 10 s. Neglecting friction, and air resistance,…

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Q: A 6.64-kg particle is subject to a net force that varies with position as shown in the figure. The…

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Q: A 1400 kg car delivers a constant 42 hp to the drive wheels. We assume the car is traveling on a…

A: The car's acceleration when it's speed is 20m/s is 1.12m/s2.

Q: man pushes a lawn mower on a level lawn with a force of 211 N. If 52% of this force is directed…

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Q: A roller-coaster car is moving at 5.6 m/s along a straight horizontal track before entering the…

A: Given Data:- Speed of the roller-coaster car before entering the first drop is vA=5.6 m/s Height of…

Q: In 29.0 ms, a model train propelled by an electric motor reaches a top speed of 0.720 m/s from a…

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Q: If 10.00 hp are required to drive a 2,000-kg automobile at 80 km/h on a level road, what is the…

A: Given :  Power, P = 10.00 hp  mass, m = 2000 Kg  Velocity, v = 80 Km/h  Find : Total retarding force…

Q: A car speeds at 18 m/s. The force of resistance remains constant at 400.0 N during this time. What…

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Q: In 2.79 minutes, a ski lift raises four skiers at constant speed to a height of 131 m. The average…

A: Given data:  Ski lift raises four skiers at constant speed Time (t) = 2.79 minutes Height (h) = 131…

Q: A horizontal force of 188 N is applied to move a 55-kg cart (initially at rest) across a 7 m level…

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