Physics, 30.01.2020 14:03 viviansotelo12
Jack drops a tennis ball from the top of a skyscraper allowing it to fall freely. neglecting air resistance, what is the velocity of the tennis ball at the end of 5 seconds?
a.)9.81m/s^2
b.)49.0m/s^2
c.)29.4m/s^2
d.)88.7m/s^2
Answers: 2
Physics, 21.06.2019 13:00
The primary benefit of taking into account a child's interests while selecting exercise activities is that the child will a. play more willing with others b. succeed at their favorite activity c. allow parents to relax afterwards d. gain motivation to exercise select the best answer from the choices provided.
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Physics, 22.06.2019 00:30
Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?
Answers: 1
Physics, 22.06.2019 07:20
If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =
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Jack drops a tennis ball from the top of a skyscraper allowing it to fall freely. neglecting air res...
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