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Physics, 30.03.2021 03:30 sierravick123owr441
1pt A cannon fires a 5-kg ball horizontally from a
muzzle that is 1 m above the ground. The
velocity of the ball on leaving the cannon is 700
m/s. At the same time that the cannon is fired,
a soldier drops an identical ball straight down
from a height of 1 m. Neglecting friction and air
resistance, which statement is correct regarding
when the balls strike the ground?
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Answers: 1
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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^.
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1pt A cannon fires a 5-kg ball horizontally from a
muzzle that is 1 m above the ground. The
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