Physics, 05.08.2019 01:00 Kashawilliams2142
Radio signals travel at a rate of 3 × 108 meters per second. how many seconds would it take for a radio signal to travel from a satellite to the surface of earth if the satellite is orbiting at a height of 9.6 × 106 meters? (hint: time is distance divided by speed.)
Answers: 1
Physics, 22.06.2019 11:00
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
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Physics, 22.06.2019 18:00
Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.
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Physics, 22.06.2019 21:00
During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver
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Radio signals travel at a rate of 3 × 108 meters per second. how many seconds would it take for a ra...
History, 27.11.2019 21:31