Physics, 10.02.2020 23:23, jacobiroberts18
A 0.023 kg golf ball moving at 15.7 m/s crashes through the window of a house in 5.3 × 10−4 s. After the crash, the ball continues in the same direction with a speed of 11.4 m/s. Assuming the force exerted on the ball by the window was constant, what was the magnitude of this force? Answer in units of N.
Answers: 2
Physics, 21.06.2019 23:30, kennydenny4897
Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)
Answers: 2
Physics, 22.06.2019 14:40, sherlinejules1
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.
Answers: 2
Physics, 22.06.2019 21:00, rina62
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
A 0.023 kg golf ball moving at 15.7 m/s crashes through the window of a house in 5.3 × 10−4 s. After...
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