Determine how much time is needed according to an observer
A deep-space probe moves away from the Earth having a speed of 0.86c. An antenna on the probe needs 3.0 s, in probe time; to rotate via 1.0 rev. Determine how much time is needed for 1.0 rev according to an observer on the Earth?
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As part of the safety investigation, two 1900 cars traveling at 20 are crashed into dissimilar barriers. Determine the average forces applied on (i) the car which strikes a line of water barrels and takes 1.4 to stop, and (ii) the car which strike
The critical angle for net internal reflection for sapphire surrounded through air is around 34.4°. Compute the index of refraction of the substance.
Determine the probability that the vehicle you choose has any color other than the six listed?
Determine the phase angle among the current and the applied voltage? (Compute the angle in degrees, however don’t provide units.)
When astronauts could travel at v = 0.980c, we on Earth would state it takes (4.20/0.980) = 4.29 years to reach Alpha Centauri, 4.20 light-years away. The astronauts disagree. (i) Determine how much time passes on the clocks of astronauts?
A friend in a space-ship travels past you at a high speed. He says to you that his ship is 22 m long and that the similar ship you are sitting in is 18 m long. (i) According to your interpretation, determine how long is your ship?
When the analyzer is rotated till the transmitted intensity is around 33.1 percent of the original light intensity, determine the new angle of the analyzer with respect to the polarizer?
Probability of the good demand given the unfavorable study is 0.1. There is 60% chance that study will be favorable.
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