1) what does g stand for in the formula Ep = m g h a) gravity b) Gravitatational field strength  c) change in gravitational field strength 2) A 5kg bowling ball is lifted to a height of 2m. Calculate the change in GPE.(g = 10 N/kg)(g = 10 N/kg)(g = 10 N/kg) a) 200J b) 150J c) 100J d) 50J 3) What is the gravitational potential energy stored in a 60 kg boy sitting at the top of a 2 m high slide? (g = 10 N/kg)? a) 1250J b) 1000J c) 1400J d) 1200J 4) An owl has a mass of 4 kg. It dives to catch a mouse losing 800 J of GPE. How high was the bird to begin with? a) 30m b) 20m c) 40m d) 50m 5) The higher up the object is, the greater its GPE a) True b) False 6) The higher the object is at, the slower it will fall a) True b) False 7) Kinetic energy is dependent on mass and speed. a) True b) False 8) A car of 150kg travels at a speed of 10m/s. How much kinetic energy does it have? a) 750J b) 7500J c) 15,000 d) 15,500

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