3 years ago

How long does it take lewis hamilton travelling at 156 mph to cover 16 miles?

1 answer:

6 0

It takes him
t = 16 miles / 156 mph = 0.1 hours

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hichkok12 [17]

Answer:

366.6J

Explanation:

We only need to apply conservative linear momentum, making v the initial speed of pigeon, so

$m_1v_1+m_2v_2 = (m_1+m_2)V$

$600g*88m/s+458g*v_2 = (600+458)*65m/s$

Solving for v,

$v_2 = 34.87m/s$

<em>The energy lost we can calculate with </em>

$KE_{lost} = \frac{1}{2}m_1v_1^2+\frac{1}{2}m_2v_2^2-\frac{1}{2}(m_1+m_2)V^2$

$KE_{lost} = \frac{1}{2}*0.6*88^2 + \frac{1}{2}*0.458*34.87^2 - \frac{1}{2} (0.6+0.458)*65^2$

$KE_{lost} = 366.6J$

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