Physics, 09.04.2021 19:30, kailaaap

A horse pulls a 80 kg cart while moving at a rate of 3 m/s. The horse and driver hear a wolf howl in the distance and increases its speed to 7 m/s out of fear. What amount of work did the horse have to do in order to increase the kinetic energy of the cart?

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 17:40, cravens511peeelg

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

Answers: 3

continue

Physics, 22.06.2019 18:30, Jasten

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.

Answers: 1

continue

Physics, 23.06.2019 01:00, kaziyahf2006

When solid surfaces slide over each other the kind of friction that occurs is called friction

Answers: 2

continue

Physics, 23.06.2019 02:00, AgentPangolin

The gravitational force between pluto and charon is 3.61 × 1018 n. pluto has a mass of 1.3 × 1022 kg, which is only slightly greater than charon’s mass of 1.6 × 1021 kg. how far apart are pluto and charon? 2.0 × 107 m 2.4 × 1012 m 3.8 × 1014 m 5.8 × 1024 m

Answers: 1

continue

Do you know the correct answer?

A horse pulls a 80 kg cart while moving at a rate of 3 m/s. The horse and driver hear a wolf howl in...