The parking brake on a 1200kg automobile has broken, and the vehicle has reached a momentum of 7800kgm/s. What is it's velocity? m/s

What statements accurately describe atoms

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

Name three different units of energy used to measure heat and describe what type of situations each is usually used.