The trajectories of two objects, D and E, are shown in the figure below. The obj

Question

The trajectories of two objects, D and E, are shown in the figure below. The objects move under the influence of gravity, and are near the surface of the Earth at all times. The grid shown on the diagram is square. Which object has the longer time of flight? The times-of-flight are equal. Object D. Object E. There is not enough information given here to determine the answer. If object E has a time of flight of 40.0 s, what is object D's time or flight? You paddle your canoe at a constant speed of 4.00 km/h relative to the water. You are canoeing along a river that is flowing at a constant speed of 1.10 km/h. If you paddle tor 60.0 minutes downstream (with the current) and then turn around, how long does it take you to get back to your starting point? When a ball lands at the same vertical level at which it was launched, the maximum range occurs when the launch angle is 45.0 degree to the horizontal. As usual, we're ignoring air resistance. Keeping the launch speed the same, you adjust the launch angle to some value less than 45.0 degree and launch the ball again. This time the range is 67.0% of the range at 45.0 degree. What is the new launch angle?

Explanation / Answer

problem 2

Object D has the longer time of flight.

Time of flight depends upon height

t directly proptional to H

if object d takes 40 sec then object E will take 20 sec because as shown in figure object D covers twice the distance covered by object E.

Note: please tell me in which question you are facing problem.

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