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Shkiper50 [21]
3 years ago
15

If I start driving 80 miles per hour down the interstate how far will I go if I drop for 4.5 hours

Physics
1 answer:
Arte-miy333 [17]3 years ago
4 0
360 miles. Hope this helps
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The specific heat of granite is 800 J/(kg·°C). How much heat does it take to raise 1 kg of granite 4°C?
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Answer:

Speed at which it will reach the ground is given as

v_f = 46.8 m/s

Total time for which it will remain in air is given as

t = 6.3 s

Explanation:

As we know that the object is projected upwards with speed

v_i = 15 m/s

g = - 9.81 m/s^2

now when it will reach the ground then we have

y = v_y t + \frac{1}{2} at^2

so we have

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so we have

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Now speed of the object when it reaches the ground is given as

v_f = v_i + at

v_f = -15 + (9.81)(6.3)

v_f = 46.8 m/s

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