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 cara. On level ground?b. 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: 2. A boy pushes on a pig with a force F = 490 i + 230j N, giving the pig a displacement d = 1.77i+…

A: Given-   Force F=490 i+230 j NDisplacement d=1.77i+1.90j m

Q: 1. A2 kg ball travels in a horizontal circle connected to a 0.80 m string. The ball travels at a…

A: Given, Mass of ball is 2 Kg length of string l=0.80m  constant speed v=6 m/s

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

A:

Q: An elevator weighing 3000N ascends at a constant speed of 8.omis. How much power must the motor…

A: Given : Force (F) = 3000 N Speed (v) = 8.0 m/s

Q: 38. Given four boxes of weights 8.00 N, 8.00 N, 2.00 N, and 9.00 N. There are three shelves of…

A: The weights of fours boxes,

Q: 4. A 230-kg roller coaster reaches the top of the steepest hill with a speed of 6.40 km/h. It then…

A: To solve this problem we use the concept that total energy of the system remains constant

Q: This is high school physics. Topic: Energy Conservation A 150 gram cart starts from rest and rolls…

A:

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. m=179 kgu=0 m/sv=25.6 m/sd=59.5 m Here, m, u, v,…

Q: A crane lifts a 268 kg crate a height of 12.4 m in a time of 80.0 s at a constant speed. What is the…

A: Given : Mass = 268 kg Height = 12.4 m Time = 80 sec

Q: A car engine produces a constant power of P = 340 hp. The car and motor have a combined mass of m =…

A: Given value--- A car engine produces a constant power of P = 340 hp. The car and motor have a…

Q: A man pulls a box weighting 40 Na distance of 10 m across the floor at constant speed. How much work…

A:

Q: A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The…

A: Given data:  Work done (W) = 350 J Height (h) = 9 m Required: Mass (m)

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 50.0-g hot wheels car sits against a 125 N/m compressed spring.   After the spring decompresses,…

A:

Q: 59. a. Find the amount of work done in lifting a 50-lb weight upward 5 ft. b. If 200 N of force is…

A: a. the amount of work done is W=Fd=50 lb5 ft=250 lb-ft

Q: 30. John is riding an elevator. If John notes that the elevator travels upwards with a speed of 0.23…

A: mass (m)=75 kg acceleration due to gravity(g)=9.8 m/s2 speed(v)=0.23 m/s

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

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: 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: P is 160 N that pushes a 20.0 kg cube on a rough surface, over a distance of 8.00 m, the speed…

A: In the given question, Magnitude of force P = 160 N Mass of cube (m) = 20 kg Distance travelled (s)…

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 60.0-kg woman climbs a staircase to a level 11.0 m above her starting point in 66.0 s. (a) How…

A:

Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…

A: Given(s): Mass of the box, m=4.0 kg Height raised, h=4 m Moving at a constant speed of 5.0 m/s.…

Q: A cyclist in a race must climb a 5° hill at a speed of 8 m/s. If the mass of the bike and the biker…

A: Given that-Mass of the bike and biker,m=80 kgSpeed of the biker 'v'Slope, θ=5°

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: The roadrunner has a mass of 25.0 kg. He runs around the desert valley at 3.00 m/s. What is his…

A:

Q: What is the potential energy just after the child is released?

A:

Q: A 1000-kg car accelerates from 0 to 15 m/s in 5.0 s with negligible friction and air resistance.…

A:

Q: 2. A 2 kg object is moving at a speed of 3 m/s. A 4 N force is applied in the direction of the…

A:

Q: A 715-N Marine in basic training climbs a 10.5-m vertical rope at a constant speed in 6.00 s. What…

A:

Q: Q28. A boy climbs onto a wall that is 3.4 m high and gains 2250 J of potential energy. What is the…

A: Here,  height of the wall (h) = 3.4 m potential energy (U) =2250 J acceleration due to gravity(g)=…

Q: A 655-N Marine in basic training climbs a 11.5-m vertical rope at a constant speed in 7.75 s. What…

A: This question is related with power and work done.

Q: A crate with mass m = 33.3 kg being pushed up an incline that makes an angle φ = 22.7 degrees with…

A: Free body diagram :

Q: Án 800 N soldier in basic training climbs a 14.5 m vertical rope at a constant speed in 8 s. What is…

A:

Q: 300 The mass of a pendulum bob is 0-2 kg, and it is suspended by a string 1 m long. It is pulled…

A:

Q: Calculate the power output needed for a 950-kg car to climb a 2.00° slope at a constant 30.0 m/s…

A: Solution:-Given thatmass of car (m)=950 kgslope (θ)=2°speed (V)=30 m/sWind resistance…

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: 4. A 2.0 kg box slides down a ramp a distance of 3.0 meters before it reaches the ground. The ramp…

A: The mass of the object is 2 kg.The angle of the inclination is 35o.The kinetic friction force is 4…

Q: A farmer is using a rope and pulley to lift a bucket of water from the bottom of a well that is hy =…

A: Given:The depth of the well is 9.5 m. The force is 59.5 N. The total mass =mb+mw=3.1 kg

Q: A car has an engine that produces constant power. The car is accelerated from rest at t = 0, and at…

A: The equation for power is given by, P=Fv Here, F is the force and v is the velocity. The force is…

Q: A freight elevator weighs 6200 N. a. What is the power required to raise the elevator a distance of…

A: Work done W = F.r=Frcosθ When applied force and displacement are along same direction then θ=00 So…