Gravity, Force and Space Quiz A geosynchronous satellite orbits the earth A. B. C. D. once every 90 minutes once every 6 hours once every 24 hours once every month Answer: C 1 Gravity, Force and Space Quiz The altitude of a geosynchronous satellite is closest to: A. B. C. D. 200 miles 24, 000 miles 2,000,000 miles 93,000,000 miles Answer: B 2 Gravity, Force and Space Quiz If an artificial satellite orbited the Earth at 240,000 miles (the distance too the moon), it would orbit the earth in a period of A. B. C. D. 90 minutes 1 day 1 week 1 month Answer: D 3 Gravity, Force and Space Quiz Balloons rise until: A. B. C. D. the surrounding air becomes too dense the surrounding air becomes too thin (not dense) the surrounding air becomes too cold they reach space Answer: B 4 Gravity, Force and Space Quiz Ice-skaters spin faster by pulling in their arms. This illustrates that A. B. C. D. momentum is conserved angular momentum is conserved energy is conserved angular energy is conserved Answer: B 5 Gravity, Force and Space Quiz When an astronaut in space sneezes, his head is snapped back with higher velocity than on earth, because: A. B. C. D. momentum is conserved his head is massless there is no air in space wrong! His head is not snapped back with a higher velocity Answer: D 6 Gravity, Force and Space Quiz If Dr. Mike was accelerated during crash by 10g and hit his head on a window, this would be the equivalent of a ____________ sitting on his head. A. B. C. D. the largest elephant on record the maximum payload of a 1 ton truck a one year old St. Bernard a jar of jelly beans Answer: B 7 Gravity, Force and Space Quiz Miso the Miracle Dog is chasing his tail. He is moving with a speed of 3 miles per hour and the radius of the circle he makes is about 1 foot. What is his acceleration? (There are 5280 feet in a mile) A. B. C. D. 47,520 miles per hour2 0.0017 miles per hour2 15,840 miles per hour2 1760 miles per hour2 Answer: A 8