Kinematics practice problems answers: 1. georgia is jogging with a velocity of 4 m/s when she accelerates at 2 m/s2 for 3 seconds. how fast is georgia running now? 2. in a football game, running back is at the 10 yard line and running up the field towards the 50 yard line, and runs for 3 seconds at 8 yd/s. what is his current position (in yards)? 3. a cat is moving at 18 m/s when it accelerates at 4 m/s2 for 2 seconds. what is his new velocity?

Explanation:

It is given that,

1. Initial speed of Georgia, u = 4 m/s

Acceleration of Georgia,

Time taken, t = 3 s

Let v is the final speed of Georgia. It can be calculated as :

v = 10 m/s

2. Initial distance covered, x = 10 yard

Time taken by the person, t = 3 s

Speed, v = 8 yd/s

Distance covered by the runner,

d = 24 yards

So, the current position of runner is, 10 + 24 yards = 34 yards

3. Initial speed of the cat, u = 18 m/s

Acceleration of the cat,

Time taken, t = 2 s

Let v is his new velocity. It can be calculated as :

v = 26 m/s

Hence, this is the required solution.

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explanation: