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Brilliant_brown [7]
3 years ago
9

Spot the dog is running after a ball.In 22m,he accelerates at a constant rate,and his velocity increases from 5.0m/s to 11m/s. W

hat was his acceleration.
Physics
1 answer:
MAXImum [283]3 years ago
7 0

Here it is given that speed of the dog will increase from 5 m/s to 11 m/s in order to cover the distance of 22 m

so here we can use kinematics to find the acceleration

v_f = 11 m/s

v_i = 5 m/s

d = 22 m

now we will have

v_f^2 - v_i^2 = 2 a d

11^2 - 5^2 = 2(a)(22)

a = \frac{11^2 - 5^2}{44}

a = 2.18 m/s^2

so here it will accelerate with a = 2.18 m/s^2

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