The astronomer Copernicus publicly stated in the 1500s that Earth

The first mechanized industry was a. mining. b. transportation. c. textiles. d. agriculture.

A student pushes a 60-N block across the floor for a distance of 10 m. How much work was done to move the block

What can scientist learn from studying sedimentary rocks?

When you jump upward, your hang time is the time your feet are off the ground. Does hang time depend on the vertical component of velocity when you jump, the horizontal component of velocity, or both? 1. Both components 2.

A boy releases a small 1 kg toy truck from rest down a 5 meter high hill. assuming there is no friction, what is the maximum kinetic energy the truck could have at the bottom?

If an atom has 34 protons and 40 neutrons, what is the mass number?

The atomic mass of an atom (in amu) is equal to Question 11 options: A. the total number of its protons, neutrons, and electrons B. the total number of electrons C. the total number of protons D. the total number of its protons and neutrons E.

12. Which of these describes the gravitational force from a planet?" O large and pulls objects toward itself small and pulls objects toward itself O small and pushes objects away from itself O large and pushes objects away from itself

In a laundromat, during the spin-dry cycle of a washer, the rotating tub goes from rest to its maximum angular speed of 4.7 rev/s in 8.3 s. You lift the lid of the washer and notice that the tub decelerates and comes to a stop in 17.5 s.

5. While a gas does 500J of work on its surroundings, 800J of heat is added to the gas. The mass of the gas is 300 grams, specific heat capacity is 1000 Joules/kg and the work is done keeping pressure constant.