Multiple ChoiceAn astronaut has a mass of 60 kg on Earth. What is her mass on the Moon, where g=1.62m/s2?18views
Multiple ChoiceIf an object is dropped from rest near the surface of Mars, where the free-fall acceleration is 3.7 m/s2, what will be its velocity after falling for 4 s?18views
Multiple ChoiceWhich of the following is closest to the acceleration due to gravity on the surface of Pluto?21views
Multiple ChoiceA simple pendulum has length L and small oscillations with period T. Assuming local gravitational acceleration is g, which expression correctly calculates g from L and T?
Multiple ChoiceIn the absence of significant local mass anomalies, in which direction is Earth’s gravitational acceleration vector g always directed at a point near Earth’s surface?
Multiple ChoiceYou stand on the surface of a mysterious planet with a mass of 6 ×1024 kg and measure the surface gravity to be 7 m/s2. What must the radius of the planet be?1072views16rank
Multiple ChoiceHow far would you have to be above Earth's surface for g to be ½ of its surface value?1037views13rank