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3. A ball is thrown vertically upward from a window that is 3.6 m above the ground....
Physics, 07.03.2021 01:10 chefjones06p0gvlh
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3. A ball is thrown vertically upward from a window that is 3.6 m above the ground. The ball's initial speed is
2.8 m/s and the acceleration due to gravity is 9.8 m/s2
[ 6 marks]
(a) What is the ball's speed when it hits the ground?
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(b) How long after the first ball is thrown should a second ball be simply dropped from the same window so
that both balls hit the ground at the same time?
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Answers: 1
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In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
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Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative
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