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alexdok [17]
2 years ago
12

A dog is running. His human calls to him and he accelerates at 2.74 m/s/s. 3.63 seconds later, his velocity is 10.3 m/s. What wa

s his initial velocity
Physics
1 answer:
Harlamova29_29 [7]2 years ago
8 0

Answer:

0.35 m/s

Explanation:

A = v-u/t

2.74 = 10.3 - u/3.63

x 3.63

2.74 x 3.63 = 10.3 - u

+u (both sides)

u + (2.74x3.63) = 10.3

- (2.74 x 3.63)

u = 10.3 - (2.74 x 3.63)

u = 0.3538

u = 0.35 to 2d.p

Hope this helps!

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Dane is standing on the moon holding an 8 kilogram brick 2 metres above the ground. How much energy is in the brick's gravitatio
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