Aball is dropped from the top of a building. the balls fall 3 times farther during its last second of freefall than it did during its third second of freefall. the ball fell 4.9 meters during its first second, how tall is the building and how much time is the ball in the air?
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Physics, 22.06.2019 05:00
The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?
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Physics, 22.06.2019 17:10
It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .
Answers: 1
Physics, 23.06.2019 02:00
How does changing the frequency affect the energy of the wave?
Answers: 3
Aball is dropped from the top of a building. the balls fall 3 times farther during its last second o...
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