A U tube contains a liquid and the two limbs are maintained at 0c & 100 c. The height of the liquid in the cold limb is 60cm & that in hot limb is 1.8 cm higher. calculate the coefficient of real expansion of liquid.

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.