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Draw a position time graph and velocity time graph of a tennis ball thrown vertically upwards from the time it leaves your hand until you catch it again?

Draw a position time graph and velocity time graph of a tennis ball thrown vertically upwards from the time it leaves your hand until you catch it again?

Grade:11

1 Answers

Ramesh V
70 Points
12 years ago

1. Displacement-time graphs.
Any point on such a graph has coordinates (t,s), in which s is the displacement after a time t.
Figure 1 shows the displacement-time graph for a tennis ball which is thrown vertically up in the air from a player’s hand and then falls to the ground.

4895-2255_5850_untitled1.JPG

The graph illustrates the motion of the ball.Taking the origin to be the starting point, the ball moves upwards (in the positive direction) to a maximum height above the origin. It stops momentarily and then drops to the hand.Consequently, the velocity of the ball changes from positive (on the way up) to 0 at the top and then to negative (on the way down)

The gradient of a displacement-time graph is velocity

2. Velocity-time graphs.
Any point on such a graph will have coordinates (t,v), in which v is the velocity after a time t.

Figure 2 shows the velocity-time graph for the motion of the tennis ball


4895-410_5850_untitled2.JPG

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regards

Ramesh

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