Physics, 17.11.2020 23:20 LarryJoeseph
A soccer ball is kicked at an angle of 40 degrees with an initial velocity of
14 m/s. What is the horizontal velocity in m/s? (Do not state units, and give
answers to the hundredths place.) *
Answers: 2
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How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9
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Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.
Answers: 1
A soccer ball is kicked at an angle of 40 degrees with an initial velocity of
14 m/s. What is the h...
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