You are playing catch with a friend in a moving train. when you toss the ball in the direction the train is moving, how does the speed of the ball appear to an observer standing at rest outside the train?
i know it appears to be traveling faster than the train, but i don't know the technicalities
Answers: 2
Physics, 20.06.2019 18:04
Me ! mark u as brainlest! the speed of a sound wave depends on question 7 options: a) the frequency. b)the medium. c)the air temperature. d)both air temperature and medium.
Answers: 2
Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 13:10
The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
Answers: 3
Physics, 22.06.2019 14:00
This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.
Answers: 2
You are playing catch with a friend in a moving train. when you toss the ball in the direction the t...
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