Police investigators examining the scene of an accident involving two cars measure 79-meter long skidmarks of one of the cars which nearly came to a stop before colliding. the coefficient of kinetic friction between rubber and the pavement is about 0.82. estimate the initial speed of that car assuming a level road.
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Physics, 22.06.2019 10:00
Amira pulls a 3 pound wagon 4 feet. how much work has she done?
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The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
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Physics, 22.06.2019 12:10
Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)
Answers: 3
Police investigators examining the scene of an accident involving two cars measure 79-meter long ski...
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