Physics, 19.10.2020 02:01 SpeechlessZzz9920
How would an observer on a train that is moving at close to the speed of light
view a stationary clock in a passing train station, compared with an identical
clock sitting next to the observer?
A. The clock in the train station would appear wider and run more slowly.
B. The clock in the train station would appear narrower and run more slowly .
C. The clock in the train station would appear wider and run faster .
D. The clock in the train station would appear narrower and run faster .
Answers: 1
Physics, 21.06.2019 18:00
Alivestock company reports that the mean weight of a group of young steers is 1100 pounds with a standard deviation of 93 pounds. based on the model n(1100,93) for the weights of steers, what percent of steers weigh a) over 1050 pounds? b) under 1300 pounds? c) between 1150 and 1250 pounds?
Answers: 1
Physics, 22.06.2019 12:10
Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
Answers: 1
Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 13:00
Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
Answers: 3
How would an observer on a train that is moving at close to the speed of light
view a stationary cl...
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