Part C: Velocity and Gravitational Fields 1. Complete the chart for the 1 kg rock and its trip through the earth's gravitational field. The rock was powerfully launched straight up from the surface of the earth at 1.0 x 10 m/s. Note: An object's kinetic energy must be a positive value – a negative value is impossible. Distance from Eg velocity ET centre of earth R. 2R. 3R. 4R. 6R. 8R. Really, really far

Part C: Velocity and Gravitational Fields 1. Complete the chart for the 1 kg rock and its trip through the earth's gravitational field. The rock was powerfully launched straight up from the surface of the earth at 1.0 x 10 m/s. Note: An object's kinetic energy must be a positive value – a negative value is impossible. Distance from Eg velocity ET centre of earth R. 2R. 3R. 4R. 6R. 8R. Really, really far

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 51P

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The Earths perihelion distance (closest approach to the Sun) is rp = 1.48 1011 m, and its aphelion distance (farthest point) is rA = 1.52 1011 m. What is the change in the SunEarths gravitational potential energy as the Earth moves from aphelion to perihelion? What is the change in its gravitational potential energy from perihelion to aphelion?
. At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from rest in an evacuated vertical shaft through a distance of 132 m, (a) If a particular payload has a mass of 45 kg, what is its potential energy relative to the bottom of the shaft? (b) How fast will the payload be traveling when it reaches the bottom of the shaft? Convert your answer to mph for a comparison to highway speeds.
. In the annual Empire State Building race, contestants run up 1,575 steps to a height of 1,050 ft. In 2003, Australian Paul Crake completed the race in a record time of 9 min and 33 S, Mr., Crake weighed 143 lb (65 kg) , (a) How much work did Mr., Crake do in reaching the top of the building? (b) What was his average power output (in ft-lb/s and in hp)?
If a spacecraft is launched from the Moon at the escape speed of the Earth, how fast will the spacecraft be going when it is very far away from the Moon, ignoring the effects of other celestial bodies?
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Someone drops a 50 — g pebble off of a docked cruise ship, 70.0 m from the water line. A person on a dock 3.0 m from the water line holds out a net to catch the pebble. (a) How much work is done on the pebble by gravity during the drop? (b) What is the change in the gravitational potential energy during the drop? If the gravitational potential energy is zero at the water line, what is the gravitational potential energy (c) when the pebble is dropped? (d) When it reaches the net? What if the gravitational potential energy was 30.0 Joules at water level? (e) Find the answers to the same questions in (c) and (d).
(a) What will be the kinetic energy of the asteroid in the previous problem just before it hits Earth? (b) Compare this energy to the output of the largest fission bomb, 2100 TJ. What impact would this have on Earth?
Part C: Velocity and Gravitational Fields 1. Complete the chart for the 1 kg rock and its trip through the earth's gravitational field. The rock was powerfully launched straight up from the surface of the earth at 1.0 x 10* m/s. Note: An object's kinetic energy must be a positive value – a negative value is impossible. Distance from E. Ex velocity ET centre of earth R. 2R. 3R. 4R. 6R. 8R. Really, really far
A pump discharges 500 liters of fuel oil into a tank 20 m above the pump’sintake in 10minutes.a. What is the change in gravitational potential energy of fuel oil at the saidheight? One cubic centimeter of fuel oil has a mass of 0.89 g and one literis equivalent to 1,000 cm3b. What is the power delivered by the pump?
A 415kg satellite orbiting the earth experiences 215N of gravitational force from the Earth. (RE=6.38x106m, ME=5.97x1024kg). A. How high is the satellite above the Earth's surface? B. What is the potential energy of the satellite relative to the Earth's surface?
GMmr. Find work done by a rocket escaping the gravity field of a planet by integrating a. Show steps using a limit for the improper integral and set the result equal to kinetic energy of escape velocity mus to find a formula for escape velocity. b. Given G= G = 6.67 x10,M= 5.97 x 10* and r, = 6,680,000 compute escape velocity at an altitude of 300 km about the surface of the Earth. Write answer in meters/sec and miles/hour.