Acar is travelling at a speed of 21m/s. it accelerates at an average rate of 3m/s^2 for a time
of 4 seconds. find the distance it travels.

What is the magnitude of the resultant vector round your answer to the nearest tenth

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

What component of earth’s atmosphere exists entirely as a result of photosynthesis?