Physics, 13.05.2021 19:10 jaumonking
A crate (m = 100 kg) is pulled across a floor to the right with a rope horizontal to the floor. The tension in the rope is 400 N. The coefficient of kinetic friction is 0.4. What is the acceleration? If started from rest, what was the velocity after 3 seconds?
Answers: 3
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
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An astronaut floating in space is trying to use her jetpack to get back to her space station, but she is being pulled away by a nearby planet, as shown in the image below. her jetpack provides a constant thrust of 310 n. if she angles her jetpack in such a way that it cancels out the vertical force due to the planet's gravity, what is her net horizontal force? thaud 487 o a. 54.8 n toward the space station o b. 212.9 n toward the space station o c. 185.2 n toward the space station o d 956 n toward the space station
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What happens when the vapor pressure of a liquid is equal to the external pressure?
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A crate (m = 100 kg) is pulled across a floor to the right with a rope horizontal to the floor. The...
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