mercedesamatap21hx0
06.04.2022 •
Physics
A 1.41-kg cannon is loaded with a 59-gram tennis ball and placed on the floor. Mr. H adds the fuel, waits for its vapors to fill the reaction chamber and then brings a match nearby. The explosion propels the ball forward. A photogate measurement determines that the cannon recoiled backwards with a speed of 7.8 m/s. Determine the speed of the ball.
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Ответ:
Travelled 21.84m
Explanation:
5.6 metres a second, 3.9 seconds.
5.6×3.9=21.84