Physics 007 sample midterm #1 (spring 2010)

15. The Apollo spacecraft traveled from the Earth to the Moon usingA) A really big slingshotB) The heat from the engine that created a vacuum that pulled the rocket forwardC) The repulsion by the Earth's magnetic forceD) The Sun's gravitational pull to get thereE) The reaction the rocket experience from expelling gases16. GalileoA) Was not the first person to observe the moons of Jupiter.B) Did not accurately define the concepts of velocity and acceleration.C) Was not the first person to turn the telescope onto the heavens.D) Did not conceive the first pendulum clock.E) Did not support the idea of a perfect and unchanging heavens beyond the moon.17. The number 10 7 equalsA) None of the choices presentedB) 10000000C) 0.0000001D) 107E) 0.00118. Ptolemy is famous becauseA) He developed a calendar which is used today throughout the world.B) He determined that the sun is at the center of the solar system (though thisdiscovery was lost during the Middle ages).C) He perfected the epicyclical model of the solar system with the Earth at the center.D) He perfected the epicyclical model of the solar system with the Sun at the center.E) He translated the work of other Greek scientists into Latin.19. While a train is moving at 1 m/s in a straight line, the conductor throws his key-ringtowards the back of the train; the speed of the key-ring, as measured inside the train, isalso 1 m/s. As seen form the platform the speed of the key-ring (ignore the effects ofgravity on the key-ring)A) Cannot be determinedB) Equals 1 m/sC) Would be infiniteD) Equals 2 m/sE) Equals 0 m/sPage 4