Physics, 18.10.2021 07:30 xboxgamer304
a person throws a ball with an initial speed of 18 m/s at an unknown angle above the horizontal. the ball reaches a maximum height of 13.5 m above the thrower. use the thrower's hand as the origin. a what is the angle that the ball is thrown at? b what are the position and velocity of the ball when it reaches its maximum height? give both in unit vector notation
Answers: 2
Physics, 22.06.2019 02:20
22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.
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Physics, 23.06.2019 00:20
When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve
Answers: 1
Physics, 23.06.2019 02:30
Apropagating wave in space with electric and magnetic components. these components oscillate at right angles to each other. it may travel in a vacuum.
Answers: 1
a person throws a ball with an initial speed of 18 m/s at an unknown angle above the horizontal. the...
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