If a 65 kilogram student exerts a force with a magnitude of 100 n on a 100 kilogram desk the magnitude of the force that the desk exerts on him is question 4 options: a.100 n more than his weight b. 100 n less than his weight c. 100 n d. 0 n

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.