Physics, 21.10.2019 21:50 gladyscasper44

Jai-anne who has a mass of 45 kilograms, climbed 3 m up a ladder to rescue her cat from a tree. how much work against gravity did she do?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 20:00, lekab0001

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

Answers: 1

continue

Physics, 22.06.2019 06:30, klorpo4055

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Answers: 1

continue

Physics, 22.06.2019 12:00, josh3419

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

Answers: 1

continue

Physics, 22.06.2019 19:30, isiahb123

A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.

Answers: 1

continue

You know the right answer?

Jai-anne who has a mass of 45 kilograms, climbed 3 m up a ladder to rescue her cat from a tree. how...