A juggler throws a ball straight up into the air. The ball remains in the air for a time t before it lands back in the juggler’s hand.
. Answer the following questions in terms of t and g.
a. What is the acceleration of the ball during the entire time the ball is in the air?
b. With what speed did the juggler throw the ball into the air? (Hint: What is the total displacement of the ball during the time it is in the air?)
c. How much time elapsed before the ball reached its maximum height?
d. How high above the point of release did the ball rise?
Answers: 1
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Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?
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A juggler throws a ball straight up into the air. The ball remains in the air for a time t before i...
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