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MAVERICK [17]
3 years ago
11

An car has an acceleration of 8.0 m/s/s. How much time is needed to reach a velocity of 30 m/s from

Physics
1 answer:
polet [3.4K]3 years ago
5 0

Answer:

3.75s

Explanation:

a = 8.0 m/s V = 30 m/s U = 0 m/s t = ?

t = V - U/a

t = 30 - 0/8

t = 30/8 = 15/4

t = 3.75s

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Answer:

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2 years ago
A cable is 100-m long and has a cross-sectional area of 1.0 mm2. A 1000-N force is applied to stretch the cable. Young's modulus
Blizzard [7]

Answer:

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By the formula of Young's modulus

Y=\frac{F\times L}{A\times\Delta L}

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Explanation:

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Explanation:

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