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Vadim26 [7]
3 years ago
5

How long will it take a car to go from a complete stop to 44km/h if they are accelerating at 5km/h

Physics
1 answer:
Ber [7]3 years ago
4 0

Explanation:As always, if the relation does not come to mind immediately, take a glance at the basic kinematic equations of constant acceleration

what do we know? Vi start speed; Vf terminal speed; acceleration a; and we want to know time t. Three of the relations have a term in d distance - which we don’’t know. That leaves this one: Vt = Vi + a*t. Here we go then:

44 = 0 + 5 * t so t = 44 / 5 = 8.8 hours

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