16. A 1500 kg car accelerates uniformly to a speed of 18 m/s in 4.59 seconds. Find the average power delivered by the net force to the car in this time interval. A. 25.925 W B. 24,925 W C. 55,925W D. 52.925 W

Q: 9. A 40 kg roller coaster car starts from rest at location A. assuming negligible energy losses to…

A: Law of Conservation of energy tells us that total energy assosiated by a object remains same in case…

Q: 32. A skier leaves a ski jump at 15.0 m/s at some angle. At what speed is he traveling at his…

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

Q: How much work do the breaks on a 3200 kg car need to do in order to slow it from 30 m/s to 20 m/s?

A: Given mass m=3200Kg V1=30m/s V2 = 20m/s According to work energy theorem work done by the car is…

Q: A small motor is used to operate a lift that raises a load of bricks weighing 1200N to a height of…

A:

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: 1. A 4kg ball is launched into the air from the ground with a speed of 18m/s. At the top of its arc,…

A:

Q: What power on the cable does it require to lift a 250 kg elevator cab and 4 passengers each with a…

A: mass of elevator cab = 250 kg Number of passengers = 4 mass of each passenger = 50 kg Height (h) =…

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: mass of 500 kg. kg. It raises a load öf 300 kg vertically at a steady speed of 0.2 m/sec. Frictional…

A: Mass of the Hoist, m=500 Kg mass of the Load to be lifted, M=300 kg Total mass it has to…

Q: 9. A car of mass 1550 kg traveling at 27.0 m/s is at the foot of a hill that rises 110 m in 2.60 km.…

A: Average power is defined as the ratio of total work done by the body to the total time taken by the…

Q: A truck travelling at a speed of 50 km/h has a kinetic energy of 600 kJ. If the speed of the truck…

A:

Q: A19.7-N box starting at rest slides down a rough 5.0-m long ramp, inclined at 30° with the…

A: Weight of box is W = Mg = 19.7  N  Assuming g = 10 m/s²  Mass of the box is M = 19.7/10 = 1.9 kg…

Q: A34-N box starting at rest slides down a rough 5.0-m long ramp, inclined at 30° with the horizontal.…

A: In this question we first find the coefficient  of kinetic friction  and then find net downward…

Q: Power P = Fv cos o. A car engine delivers 2.24 x 104 W to wheels when moving at a constant speed of…

A: F= 829.63NExplanation:If you have any problem let me know here in comment box for this thankyou.

Q: A34-N box starting at rest slides down a rough 5.0-m long ramp, inclined at 30° with the horizontal.…

A:

Q: A 35.0-kg sled intially at rest slides down a 50.0m-long hill inclined at an angle of 30 degrees…

A: Given: mass,m = 35 kg  length, L = 50 m  Angle, A = 30 degree

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: The electric motor of a model train accelerates the train from rest to 0.520 m/s in 30.0 ms. The…

A:

Q: A ball of mass 100 g, is dropped from a height of 22 m and moving vertically down. Ignoring the air…

A: Solution: Given: m = mass of ball = 100 g = 0.100 kg g = gravitational acceleration = 9.81 m/s2 h1 =…

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: 6s oss The electric motor of a model train accelerates the train from rest to v in 97.0 × 10-³ s.…

A:

Q: 1-kg book is thrown from a height of 5 meters with a speed of 20 m/s. Compute the total energy when…

A:

Q: 1. Emma pushes a 45.0kg box across a level floor with an applied force of 155N [30° above…

A:

Q: A 60.0 kg trunk starts at rest on a student's dorm room floor. The student pushes the trunk a…

A: Solution:-Given thatmass of trunk (m)=60 kgdistance travelled by trunk (d)=10 mForce (F)=300…

Q: 1. How much force is required to accelerate a car with a mass of 2000 kg to 3 m/s?

A:

Q: A34-N box starting at rest slides down a rough 5.0-m long ramp, inclined at 30° with the horizontal.…

A: Given that,Weight of box : W = 34(N)Initial speed : u = 0 (m/sec)Length of ramp : l = 5 (m)Work done…

Q: An airplane of mass 4500 kg is cruising at a speed of 49.0 m/s at an altitude of 175 m. What is its…

A: Given data: Mass of the airplane, m=4500 kg Speed of the airplane, v=49.0 m/s Altitude of the…

Q: The kinetic energy of a 3.0 kg object moving at a speed of 9.3 m/s would be: а. 130 J b. 260 J с. 28…

A: Given that,Mass, m=3.0 kgVelocity, v=9.3 m/s

Q: elevator car has a mass of 1600 kg and is carrying sengers having a combined mass of 200 kg. A…

A: Calculate the total weight of the system. W=We+WpW=meg+mpgW=(1600 kg)(9.8 m/s2)+(200 kg)(9.8…

Q: The electric motor of a model train accelerates the train from rest to 0.680 m/s in 15.0 ms. The…

A: As per the given data, Mass of the motor (m) = 830 g = 830×10-3 kg; Initial velocity (u) = 0 (rest);…

Q: 1.A 675-N Marine in basic training climbs a 10.5-m vertical rope at a constant speed in 9.25 s. What…

A:

Q: Santa Clause is about to distribute his gifts, but his reindeer Rudolph is still sleepy. So, instead…

A:

Q: meters. The angle betwe

A:

Q: 1400 kg Polo STi accelerates from rest to 20 m/s in exactly 2 seconds. a. Calculate the change in…

A: Given,Mass of the car, m = 1400 kgcar is start from rest to 20 m/s in exactly 2 sec.hence, the…

Q: A girl on a skating board was going to her classroom. She stopped pushing with her foot when she's a…

A:

Q: A person does 400 J of work in 5 sec. Power of the person is calculated tto be ? Choose one correct…

A: Given, Work done by the person W = 400 J Time t = 5 sec We know the expression for power  P=Wt

Q: 15. A constant force is applied on a block having a mass of 4 kg and changes its velocity from 4 m/s…

A: Given data : Block's mass, m=4 kg Block's initial velocity, vi=4 m/s Block's final velocity, vf=8…

Q: A 500 g cricket ball is moving with 30 m/s. Estimate the speed of a 150g tennis ball to nave the…

A:

Q: 8. DETAILS SERPSE10 8.5.OP.017. MY NOTES ASK YOUR TEACHER A 650-N Marine in basic training climbs a…

A:

Q: 9. Consider a 59kg volleyball player who is jumping to spike the ball. Her O position is the bottom…

A:

Q: A 1250 kg sports car accelerates from zero to 30 m/s in 25 s. What is the average power delivered by…

A: Given : m = 1250 kg vo = 0 m/s v = 30 m/s t = 25 s

Q: How much work was done

A: we know work done W = power * time  W = P * t

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.