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lesantik [10]
2 years ago
6

Mikes car can accelerate from 0 mph to 40mph in 5 seconds what is the acceeration of his car in miles per hour per second

Physics
2 answers:
Montano1993 [528]2 years ago
8 0
40/5=8. His speed increases 8mph/second :)
Marianna [84]2 years ago
3 0

Mike's car accelerates at 8 mph/mps

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A physics teacher performing an outdoor demonstration suddenly falls from rest off a high cliff and simultaneously shouts "Help"
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Explanation: To solve This, I'll use a sketch diagram, attached to this solution,

In 3seconds, the teacher heard the echo of her initial scream back. We can obtain the distance the teacher had fallen at the end of 3 seconds using the equations of motion,

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Let the total height of the cliff be (44.1 + x); where is the remaining height of cliff that the teacher will fall through.

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Using the equations of motion again,

(V^2) = (U^2) + 2gs

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S is the total height she fell through, that is, the height of the cliff = 532.05m

(V^2) = 0 + 2×9.8×532.05 = 10428.18

V = √(10428.18) = 102.12m/s

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