1) How fast must Santa be travelling to go all around the world (40000km) in 24hrs? a) 960000km/h b) 960000mph c) 1667km/h d) 1667mph 2) Which graph correctly plots santa's movement as he goes from your roof to your neighbours? a) A b) B c) C d) D 3) What happens to the thrust force exerted by santa's reindeers as they get tired as the night goes on? a) nothing b) gets bigger c) gets smaller d) gets bigger then samller 4) Even though the thrust gets smaller the sleigh can still accelerate the same amount. Why? Because... a) the sleigh gets less mass b) the sleigh gets more mass c) the reindeer are still pulling as hard d) Santa uses his whip more 5) What did we assume about drag for the last question a) it stays the same all night b) it gets bigger c) it gets smaller d) it goes up then down 6) Which sleigh design would be able to reach the fastest top speed if they were all pulled by the same reindeer? a) A b) B c) C d) D 7) Santa is falling at his terminal speed. Which of the following statements is true? a) there is no air resistance b) gravity is bigger than air resitance c) weight = air resistance d) gravity and weight are the same 8) Santa finds it harder to stop in time on snowy rooftops. Why is that? a) reaction time slower b) worn break pads c) less friction d) distractions 9) The reindeers pull the sleigh with a force of 4000N. How much work do they do every 100 km? a) 40J b) 4000J c) 400000J d) 400000000J 10) When does Santa have KE but not GPE? a) A b) B c) C d) D

Christmas Physics

by Anonymous
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?