animerocks07
16.09.2021 •
Physics
A cannonball is shot from a cannon at a launch angle of 63° and an initial velocity
of 147 m/s.The gravitational acceleration is -9.8 m/s2. Assuming NO air
resistance, how long will it take the cannonball to reach the peak of its trajectory?
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Ответ:
2) freezing point of water increases