Lucy and her bike together have a mass of 120 kg. She slows down from 4.5 m/s to 3.5 m/s. How much kinetic energy does she lose?

State the formula for density in words and mathematical symbols

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

Why must humans find substitutes for many minerals found on earth? (a) form at an extremely slow rate (b) controlled by other countries (c) too deep in the earth to collect