The kinetic energy of an object is equal to one half Its mass multiplied by its speed
A squared
B cubed
C to the fourth power
D to the fifth power

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

In a system, when potential energy decreases, then entropy also decreases. true false

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air