Physics, 28.11.2019 06:31 16dshah

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of do?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:50, josmanu235

Calculate the heat capacity per object when the total energy is 4 quanta. (think of this in terms of increasing from 3.5 quanta of energy in the system to 4.5 quanta of energy in the system, if that were possible.) c4 = __ j/k/object

Answers: 2

continue

Physics, 22.06.2019 15:20, sandrinedionne7153

A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant

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, 22.06.2019 19:30, barstr9146

How many electrons in an atom could have these sets of quantum numbers? =3n=3 electronselectrons =4,ℓ=2n=4,ℓ=2 electronselectrons =6,ℓ=ℓ=−1n=6,ℓ=2,mℓ=−1

Answers: 3

continue

You know the right answer?

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must ap...