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drek231 [11]
3 years ago
9

A hit-and-run incident is one of the more common cases for paint evidence. true or false

Physics
1 answer:
AleksandrR [38]3 years ago
4 0
The statement "<span>A hit-and-run incident is one of the more common cases for paint evidence." is true.  This is shown by a</span><span> spot close to the point of impact, but in a place that has not been damaged.</span>
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The velocity of a bob on a simple pendulum at the lowest position is 10.56 m/s. What is the maximum vertical height it is able t
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3 years ago
A man at point A directs his rowboat due north toward point B, straight across a river of width 100 m. The river current is due
prohojiy [21]

Answer:

1.35208 m/s

Explanation:

Speed of the boat = 0.75 m/s

Distance between the shores = 100 m

Time = Distance / Speed

Time=\frac{100}{0.75}=133.33\ s

Time taken by the boat to get across is 133.33 seconds

Point C is 150 m from B

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Speed=\frac{150}{\frac{100}{0.75}}=1.125\ m/s

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c=\sqrt{0.75^2+1.125^2}\\\Rightarrow c=1.35208\ m/s

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3 years ago
If a car accelerates from rest at a constant 4 m/s
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Answer:

The time it will take for the car to reach a velocity of 28 m/s is 7 seconds

Explanation:

The parameters of the car are;

The acceleration of the car, a = 4 m/s²

The final velocity of the car, v = 28 m/s

The initial velocity of the car, u = 0 m/s (The car starts from rest)

The kinematic equation that can be used for finding (the time) how long it will take for the car to reach a velocity of 28 m/s is given as follows;

v = u + a·t

Where;

v = The final velocity of the car, v = 28 m/s

u = The initial velocity of the car = 0 m/s

a = The acceleration of the car = 4 m/s²

t = =The time it will take for the car to reach a velocity of 28 m/s

Therefore, we get;

t = (v - u)/a

t = (28 m/s - 0 m/s)/(4 m/s²) = 7 s

The time it will take for the car to reach a velocity of 28 m/s, t = 7 seconds.

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3 years ago
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4 years ago
What is acceleration?
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I'm pretty sure it's A.
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