Calculate the kinetic energy of a car with a mass of 500kg traveling at a velocity of 10m/s^2 north. a) 2,500j b) 25,000j c) 50,000j d) 100j

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

Who was the first scientist to measure speed as distance over time?

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?