5. Two people travel from Columbus to Cleveland, one by car at an average velocity of 90 km/h and one by plane at an average velocity of 300 km/h. Can their displacements be equal? Explain.

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.

Aheat engine that operates on a carnot cycle has an efficiency of 0.420 when its low-temperature reservoir is at 10 ∘c.part aby how many degrees celsius must you increase the temperature of the high-temperature reservoir to increase the efficiency to 0.600 if you continue to use the same low-temperature reservoir?

What does every magnet possess? a. iron metal b.strong magnetic field c.repulsion d.north and south poles