A bicycle and rider going 12 m/s approach a hill. Their total mass is 57 kg. (a) What is their kinetic energy?   J (b) If the rider coasts up the hill without pedaling, how high above its starting level will the bicycle be when it finally rolls to a stop?   m

Q: A four-horse carriage is accelerating by 6 m/s every three (3) seconds, carrying a total load…

A: The total mass of the carriage+man+passengers is 275 kg, accelerates at 6 m/s every three seconds.…

Q: You (60kg) and a friend (75 kg) are each in a sled sitting at the top of a snowy hill. You waxed…

A: Given :      Mass of me ,m1 = 60 kg      Mass of a friend, m2 = 75 kg      Height of the hill, h = 8…

Q: A man pulls a sled loaded with fish. The total mass of the sled and the fishes is 50.0kg and the man…

A: Given, total mass of loaded cart is, m=50kg Force applied on it, F=120N And work done,…

Q: A 0.800-kg particle has a speed of 1.60 m/s at point A and kinetic energy of 7.30 J at point B. (a)…

A: (a).The kinetic energy at A is

Q: A skier of mass 70 kg is pulled up a slope by a motor driven cable. A.) How much work is required to…

A: Given that             The mass of the skier is(m) = 70Kg. Since he is moving upward with constant…

Q: You are using a rope to lift a 14.5 kgkg crate of fruit. Initially you are lifting the crate at…

A: given:-      mass of crate of fruit = 14.5 kg    Initial velocity of crate (u) = 0.500 m/s  Tension…

Q: 1. a) Calculate the work done when a truck pulls on a load at a 35° angle with a force of 4000 N and…

A:

Q: A hydroelectric generator converts kinetic energy of water into electrical energy. Each second 2974…

A: a) The total energy available is, TE=efficiencymgh=0.732974 m31000 kg1 m39.80 m/s2133 mTE=2.83×109 J

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

A:

Q: a. What was the total work done when you reached the top of the bridge? b. Determine how much work…

A:

Q: A 67.6 kg runner has a speed of 5.10 m/s at one instant during a long-distance event. (a)Apply…

A: mass = 67.6 kg speed (u ) = 5.1 m/s   a) Runner's kinetic energy at this instant = (1/2) m(v)2 K.E =…

Q: A ski lift consists of a rope that the skiers hold on to. The rope pulls the skiers up a 250 m long…

A:

Q: Jacob is riding his bike down a tall hill. At the top of the hill, he has 2800J of potential energy.…

A: Whether the total amount of energy at the top is equal to the total amount of energy at the bottom…

Q: A 0.34-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.1 J at point B. (a)…

A: Mass of the particle m=0.34 kg Speed of the particle at point A ,vA=3.0 m/s The kinetic energy at…

Q: A 0.41-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.0 J at point B. (a)…

A: (a) Calculate the kinetic energy at point A. KEA = 0.5*m*vA2          = 0.5*0.41*32       = 1.85 J

Q: A 2-kg brick is thrown downward from a height ?1 = 15 m to ?2 = 10 m. The initial kinetic energy of…

A:

Q: 1B. A crate of mass 10.0 kg is pulled up a rough 200-incline. The pulling force is 100 N parallel to…

A: In this question we have to find the work done and energy for the given situation. Please give…

Q: A 150g book is initially at rest on a table that has no friction. A force of 3.2 N is applied to the…

A:

Q: A man wishes to pull a crate 15m across a rough floor by exerting a force of 100 N. The  coefficient…

A: Assume that the angle between horizontal and the force applied by the man be θ. Draw the free-body…

Q: If an object is moving at certain speed, it will have Kinetic Energy. If the object's speed is…

A: Given data:  Speed of the object = v New speed of the object (v1) = 3v Required: The new kinetic…

Q: A sled and rider with a combined weight of 63 kg are at rest on the top of a hill 19 m high. (a)…

A:

Q: 1. a) A boy pulls a wagon 30m along a sidewalk with a rope tension force of 80N.The force is…

A:

Q: A 4.8 kg watermelon is dropped from rest from the roof of a 25 m tall building (do not try this at…

A: Given  Mass of watermelon m=4.8 kg Height of building h=25m

Q: A 0.32-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 8.4 J at point B. (a)…

A: Given: The mass of the particle is m=0.32 kg, The velocity of the particle at point A is vA=5.0…

Q: A 0.59-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 8.5 J at point B. (a)…

A: Given Data:- The mass of the particle is m = 0.59 kg. The speed of the particle at point A is vA =…

Q: A sledder has 500 J of potential energy and 230 J of kinetic energy at one point on a steep hill.…

A:

Q: A four-horse carriage is accelerating by 6 m/s every three (3) seconds, carrying a total load…

A: Solution:- Given that, accelerating a= dv/dt = 6/3 =2 m/s^2 Mass M = 275 kg traveling  distance d =…

Q: A 0.37-kg particle has a speed of 4.0 m/s at point A and kinetic energy of 8.2 J at point B. (a)…

A:

Q: 1. A roller-coaster car with a mass of 1200 kg starts at rest from a point 20 m above the ground. At…

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

Q: Suppose a car approaches a hill and has an initial speed of 106 km/h at the bottom of the hill. The…

A: Initial speed of the car: Mass of the car: The slope of the hill:

Q: The velocity of an object with mass m=2kg is given as a function of time: V = (2t +1)î + (t²)j where…

A:

Q: What is the energy E required to accelerate a 1635 kg car from rest to 25 m/s? E = J Compared to the…

A: Given data:  Mass (m) = 1635 kg Initial velocity (v0) = 0 m/s Final velocity (vf) = 25 m/s