Physics, 03.03.2022 09:00 SpookySpooks
A student swings his book bag in a vertical circle of radius 0. 5 m. Calculate the minimum speed of the book bag in order to "just" negotiate the top of the circle
Answers: 3
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when ΞΈ reaches 66Β°, other corresponding measurements give the values r = 32700 ft, rΒ¨ = 85 ft/sec2, and ΞΈΛ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 22.06.2019 18:30
Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.
Answers: 1
Physics, 22.06.2019 23:00
Which wave is the result of amplification and produces a louder sound
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Physics, 23.06.2019 13:00
Inside stars in space, the nuclei of hydrogen atoms fuse together to form helium atoms. this represents which form of energy? electrical energy nuclear energy chemical energy radiant energy
Answers: 1
A student swings his book bag in a vertical circle of radius 0. 5 m. Calculate the minimum speed of...
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