If it take 55 seconds for a subway to travel between two stations at a speed of 12 meters/seconds what is the distance between the two cities

If john takes 45 seconds to bicycle a total of 4 meters east to his grandmother’s house? What is his velocity?

How long will an airplane travel if it moves 720 meters at a speed of 80 meters/seconds?

An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?

Which word expression describes how much to calculate pressure

A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.