(a) (b) (c) (d) (e)
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A ball is dropped from rest and feels air resistance as it falls. Which
of the graphs in Fig. best represents its vertical velocity component
as a function of time, if the +y-direction is taken to be downward?
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- In fighting forest fires, airplane work in support of ground crews by dropping water on the fires. A pilot is practicing by dropping a canister of red dye, hoping to hit the target on the ground below. If the plane is flying in a horizontal path 120m above the ground and with a speed of 54m/s, a) At what horizontal distance from the target should the pilot release the canister? b) At what time did the canister hit the target from it was released. c) What is the velocity and direction of the canister 3seconds after it was released? Air resistance may be ignored.In a game of basketball, a forward makes a bounce pass to the center. The ballis thrown with an initial speed of 5.4 m/s at an angle of 20 degrees below the horizontal.It is released 0.90 m above the floor. Calculate the horizontal distance traveled by the ball before bouncing.