Suppose Galileo dropped a lead ball (100 kilograms) and a glass ball (1 kilogram) from the leading tower of pisa. Which one hit the ground first?

In what era did the first land plants appear?

Which option is an example of a chemical property

Which are examples of transverse waves? Check all that apply. earthquake P-waves earthquake S-waves radio waves sound visible light X-rays

Identify which sets of Quantum Numbers are valid for an electron. Each set is ordered (n,ℓ, mℓ, ms). 3,2,0,1/2 2,2,-1, 1/2 4,3,-4,1/2 1,0,0,1/2 2,2,1,-1/2 3,2,1,1 0,1,1,-1/2 3,3,1,1/2 2,-2,-2,-1/2 3,2,2,1/2 4,2,1,1/2 2,1,-1,-1/2

1. A 24 kg rock is resting on the floor. How much potential energy does it have? Explain.

Convert 59°c to farenheit

Heat is transferred from one particle of matter to another without the movement of matter itself in a process called

How would you find the speed of a ball thrown in to the air - it takes 6 seconds to get tho the top. The height is not given.

Choose all the answers that apply. The sun: - is the largest star in our solar system - is the largest star in our galaxy - is made mostly of hydrogen and helium -will eventually run out of fuel and die -creates energy through nuclear reactions

Calculate the kinetic energy of a truck that has a mass of 2900kg and is moving at 55m/s.