Describe your approach to the calculation of the escape velocity of a satellite from a planet. O a. Use Kepler's 3rd law. Ob. Use the law of conservation of energy. Oc. Use Newton's 1st law.

14.) A hypothetical planet has a radius 2.1 times that of Earth, but has the same mass. What is the acceleration due to gravity near its surface? Express your answer to two significant figures and include the appropriate units. gplanet= ____________ ______________   15.) A 1400-NN crate rests on the floor. a.) How much work is required to move it at constant speed 5.0 mm along the floor against a friction force of 330 NN . Express your answer to two significant figures and include the appropriate units. Wp= ____________ _____________ b.) How much work is required to move it at constant speed 5.0 mm vertically. Express your answer to two significant figures and include the appropriate units. Wp= _____________ ______________

A planet and moon pictured above have identical densities. Identify the magnitude of the value that is identical to both cosmic bodies assuming that the only force they experience is their gravitational attraction for each other. O A. Kinetic energy O B. Velocity O C. Acceleration O D. Displacement from the center of mass O E. Gravitational force

In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 6.00×1015 kg and a radius of 8.10 km For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Phobos escape velocity. Y Part A What is the speed of a satellite orbiting 4.50 km above the surface? Express your answer with the appropriate units. D Value HA Part B Submit Request Answer What is the escape speed from the asteroid? Express your answer with the appropriate units. Submit μA Value Units Request Answer 200 Units