Your backpack has a mass of 8 kg. You lift it from the ground to a height of 0.7 m. How much work is done by gravity as you lift the backpack?

En saved Question 19 of 31 If a bat with a mass of 5 kg and acceleration of 2 m/s2 hits a ball whose massis 0.5 kg in the forward direction, what is the reaction force of the ball on the bat?

What is the weight of a cat that has a mass of 7.02kg? 73.4N 72.5N 68.8N 70.2N

A thin copper rod that is 1.0 m long and has a mass of 0.050 kg is in a magnetic field of 0.10 t. What minimum current in the rod is needed in order for the magnetic force to cancel the weight of the rod?

The kinetic molecular theory predicts that the pressure rises as the temperature of a gas increases because: a. the average kinetic energy of the gas molecules decreases. b. the gas molecules collide less frequently with the interior wall. c.

What does the big bang theory explain? A. How the universe began B. How the universe will end C. How energy is created through fusion D. How our solar system formed

run at the same speed and in the same direction, and they both run for the same amount of time, what can you say about the distance they travel?

How can you show positive body languages with your mouth

After making minor changes to a team report, Jeff felit like he had done enough work on the project. When he was asked to contribute more, he got offlended and quit responding to requests from some leam members.

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4

Calculate the acceleration of a 90-kg skydiver with a net force of - 883 N