A 710 kg car drives at a constant speed of 23 m/s. It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car on level ground? Express your answer in watts. What power is required from the car's engine to drive the car up a hill with a slope of 2.0 degrees? Express your answer in watts.

Q: In the figure, a horizontal force Fa of magnitude 22.0 N is applied to a 2.94 kg book as the book…

A: When a force is applied to a body then the body is in motion and it moves in the direction of…

Q: A 1.0 [kg] box slides 5.0 [m] down a rough inclined plane at an angle 40° with respect to the…

A: Mass(m) = 1 kg slide distance(x)=40o μk=0.20Required work done

Q: problem 1 Compute the kinetic energy, in Joules, of a 1,600-kg automobile traveling at 50 kph.

A: Since you have posted multiple questions we will solve the first question for you. If you want any…

Q: In the figure, a horizontal force Fa of magnitude 20.0 N is applied to a 3.17 kg book as the book…

A: We know that work done is equal to  W=Fdcosθ......(1) Work done = change in kinetic energy

Q: A horse can provide sufficient power to pull a wagon with a 200 N force at a steady 3.0 m/s. Suppose…

A: Given data: Force (F1) = 200 N Velocity (v1) = 3.0 m/s New force (F2) = 300 N Required: Speed of the…

Q: A dockworker pushes a box along a horizontal floor and moves a distance of 4.6 m with a force F…

A:

Q: A pulley is 88.5% efficient. You are using it to raise boxes that weigh 1,360 N to a height of 2.60…

A: The given values with suitable variables are listed below. Here, η denotes the pulley’s efficiency,…

Q: If you exert a force of 64 N to walk 12 m a flight of stairs in 15 seconds, how much power do you…

A: Given: force F =64 N Distance travelled d = 12 m time taken t =15 sec

Q: which of the following is  negative work being done?   Question 10 options:   A man pushes with a…

A: Correct option is (c) An object is pushed with a force of 25 N when the frictional force is a…

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…

A:

Q: 10-kg dog is running with a speed of 5.0 m/s. What is the minimum work required to stop the dog in…

A: Given: The mass of the dog is 10 kg. The initial speed of the dog is 5 m/s. The final speed of the…

Q: What average power is needed to accelerate a 1 kg soccer ball from rest to 36 km/hr in 0.1 seconds?…

A: Given data: Mass (m) = 1 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 36 km/hr Time (t) =…

Q: A 4.8 kg box has an acceleration of 2.5 m/s² when it is pulled by a horizontal force across a…

A: Given: The mass of the object is 4.8 kg. The acceleration of the object is 2.5 m/s2. The coefficient…

Q: What average power would a 1500 kg speedboat need to go from rest to 25 m/s in 6 seconds if the…

A:

Q: 300 J of work are required to fully drive a stake into the ground. If the average resistive force on…

A:

Q: A cheetah can accelerate from rest to 6.4 m/s (about 16 m/h) in 1.2 seconds. How much average power…

A:

Q: A cart holds a mass of 5.75kg from an initial position of di=(0.1m)i^+(0.2m)j^+(0.3m)k^ at t=2 sec…

A: Work w= 18 joules Power = 2.25 watt

Q: In the figure, a horizontal force  F→a of magnitude 20.0 N is applied to a 3.01 kg book as the book…

A: The given figure shows the horizontal force applied to a book slides on a frictionless ramp.Given:

Q: A horse can provide sufficient power to pull a wagon with a 250 N force at a steady 3.0 m/s. Suppose…

A: Given data: Force of pulling first wagon (F1) = 250 N Velocity of first wagon (V1) = 3.0 m/s Force…

Q: 1. If 68 W of power is producing 18 seconds, how much work is done? b. A set of pulleys lifts an 800…

A:

Q: What is the work done on an object 32.5 kg to move it 15 m up a 20 degrees incline? 14. What is the…

A:

Q: A car's engine generates 120,000 W of power as it exerts a force of 12,000 N. How long does it take…

A: Force=12000 N Displacement=120 m Work done(W)=Force*Displacement=12000*120 J=1440000 J

Q: I have a motor that is rated for 6000 W. What is the maximum amount of work that the motor can do in…

A: Given data The power of the motor is P = 6000 W The time taken to work is t = 10 s The mass of the…

Q: How much power is required to lift a heavy solid concrete beam with mass 60.21 kg upward with a…

A:

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 , Force = 75 N Displacement s = 30 m Time = 2 minutes

Q: A machine does 2500 J of work in 1 min. What is the power developed by the machine? A. 21 W B. 42 W…

A: Solution 1 Given that :- Work done W = 2500 J Time t = 1 min = 60 sec The power P can be written as…

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: 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: Starting from rest, a 60.0 kg student takes 4.0 s to run up a 3.0 m high flight of stairs. On…

A:

Q: For exercise, an athlete lifts a barbell that weighs 400 N from the ground to a height of 2.20 m at…

A: Given: The weight is 400 N. The height lifted by athelet is 2.2 m. The time interval is 1.6 s.

Q: A 1400 kg car accelerates from 5 m/s to 10 m/s. The net work done by the car is V2 500 J 200 J 300…

A: Given, Mass of car m = 1400 Kg Initial velocity of  the car u = 5 m/s Finial velocity of the car v =…

Q: car (120 kg) accelerates from the rest to 25 m/sec in 11 sec, what is the value of the generated…

A:

Q: The force acting on a particle is F(x)= 2x- 2x, where F is in N and x is in meters. Find the net…

A: In one dimensional motion of a particle, work done is given by, W=∫x1x2F(x)dx. Where F(x) is force…

Q: A car accelerates from rest to 14 m/s in 5 seconds on a horizontal road under perfect conditions. If…

A:

Q: If 39000 J of work is done on a 520 kg object to accelerate it from rest, then use the Work-Energy…

A:

Q: A bowstring behaves like a spring with a spring constant of 420 N/m. It is initially pulled back 30…

A:

Q: A car of mass 1500 Kg can accelerate from rest to a speed of 20 m/s in a time of 10 sec. Ignoring…

A: solution is given as

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's engine generates 80000 W of power as it exerts a force of 6000 N. How long does it take the…

A: Given, Power generates engine of the car, P = 80000 Wforcec exerted by engine, F = 6000 Ndistance…

Q: Using 1000. J of work, a small object is lifted from the ground floor to the third floor of a tall…

A: Given parameter                        Work(W) = 1000J                        Time (T) = 20s

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

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: A 3kg book is tossed across the room at a speed of 5m/s. What is the Kinetic energy of the book?…

A:

Q: A woman uses a pulley and a rope to raise a 20 kg weight to a height of 2 m. If it takes 4 s to do…

A: mass, m = 20 kg  height, h = 2 m  time, t = 4s  The formula for energy is  E = m g h  The power is…

Q: A 1000 kg car is travelling on a road with friction coefficient 15%. How much is the engine power…

A: Data Given ,  Mass of the car ( m ) = 1000 kg Friction coefficient ( µ ) = 0.15  Velocity ( v ) = 15…

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

A: