A 710 kg car drives at a constant speed of 23 m/s.  It is subject to a drag force of 434 N.  What power is required from the car's engine to drive the car up a hill with a slope of 2.0°.

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 box m = 99 kg is being pulled by a constant force F = 152 N at an angle of θ = 38 degrees. The…

A: The work done by a force to pull a body through a certain distance is given by W = F.s = Fscosθ,…

Q: A crate with a mass of 72.0 kg is pulled up an inclined surface by an attached rope, which is driven…

A:

Q: A crate of mass m₁ = 12.4 kg is pulled by a massless rope up a 36.9° ramp. The rope passes over an…

A: Given Data The first mass of the given crate m1 = 12.4 kg. The distance moved by crate d = 1.5 m.…

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Given:            m = 800 kg            v   = 7.5 m/s            h  = 8.7 m            t   =  4 s…

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 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: 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: Quick Start: A car accelerates from 0 to 43.2 m/s in 4.67 s. The mass of the car is 2.04e+03 kg. (a)…

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Q: A car could accelerate from rest to 60 mi/hr (27 m/sec) using a 302 V8 in a time of 1.2 sec.  If the…

A: solution

Q: A crate with a mass of 64.0 kg is pulled up an inclined surface by an attached rope, which is driven…

A: The mass of the crate, m=64.0 kg The distance covered by the crate, d=55.0 m Constant speed of the…

Q: An elevator has a mass of 1160 kg and carries a maximum load of 612 kg. A constant frictional force…

A: The total mass that the elevator motor needs to accelerate upward is: m = me + ml where me is the…

Q: A 3.50-kN piano is lifted by three workers at constant speed to an apartment 25.0 m above the street…

A: GivenWeight of Piano, W=3.5 kN=3.5×103 NHeight above the street, h=25 m

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

A: Given: Power P = 196 hp = 196 * 746 W P = 146,216 W velocity v = 27 m/s

Q: Question 9. The cheetah is one of the fastest accelerating animals, for it can go from rest to 9.4…

A:

Q: A race car travelling on a straight and flat stretch of track must overcome 1.5 kN of resistance to…

A: Given : F = 1.5 kN = 1.5 x 103 N v = 190 km/hr = 190 x 1000/3600 = 52.78 m/s

Q: Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable…

A: Write the given values with the suitable variables.Here, m, u, v, and d are the mass, initial speed,…

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 670-N Marine in basic training climbs a 11.5-m vertical rope at a constant speed in 6.50 s. What…

A: Given data:  Weight (mg) = 670 N Height (h) = 11.5 m Time (t) = 6.50 s Required: The power output

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 car climbing up a hill at constant speed of X m/s. Given the car is going up a slope of 5 degree…

A: The mass of the car, The inclination of the plane, The power of the engine, The frictional force,

Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Mass of helicopter M= 780 kg Iniatial speed of helicopter u = 0 Final speed of helicopter v= 10.0…

Q: power

A: Given: Mass of the dragster = 650 Kg initial speed = 0 final speed = 110 m/s Distance= 400 m…

Q: A mechanic pushes a 2400 kg car from rest to a speed of v, doing 5746 J of work in the process.…

A:

Q: A box m = 85 kg is being pulled by a constant force F = 150 N at an angle of θ= 25 degrees. The…

A: Given data *The mass of the box is m = 85 kg *The angle is θ= 25 degrees *The block moves a distance…

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

A: The objective of the question is to estimate the total friction force acting on the car when it is…

Q: A 1,452 kg sports car accelerates from rest to 27.1 m/s in 12.3 s. What is the average power output…

A: Given data: Mass of sports car is, m=1452 kg. Initial speed of car is, u=0 m/s…

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: An electric motor is rated to have a maximum power output of 0.79 hp. If this motor is being used to…

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Q: How much power is needed to push a 1100 kg piano up a 4.0 meter ramp into a truck bed that is 1.5…

A:

Q: A sprinter who weighs 639 N runs the first 8.6 m of a race in 1.9 s, starting from rest and…

A: Given quantities, Mass of sprinter = 639N time for first 8.6m = 1.9s  Initial velocity = 0 a) Using…

Q: When a car is moving at constant speed, the developed potential is used to overcome the frictional…

A: Given Data: The power developed by the car is P = 50 hp. The velocity of car is v = 24.6 m/s. The…

Q: A 1300-kg elevator carries a maximum load of 750 kg. A constant frictional force of 3000 N retards…

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Q: A car requires 72.8 hp to maintain a constant speed of 21.3 m/s on a straight, flat road. Assuming…

A:

Q: An elevator has a mass of 1160 kg and carries a maximum load of 612 kg. A constant frictional force…

A: Given data: Mass of elevator, me = 1160 kg Mass of load mL = 612 kg Frictional force, f = 3330 N…

Q: A transport truck driving at a constant speed of 82.0 km/hr on a flat stretch of highway must…

A:

Q: A heavy box is pulled by a rope on a horizontal surface. (a) Assume that there is no frictional…

A: