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zhenek [66]
2 years ago
6

What speed is a car going if it takes 2 hours to go 80 miles?

Physics
2 answers:
Dafna1 [17]2 years ago
8 0
Okay. If a car takes 2 hours to go 80 miles, the car is going 40 miles an hour. All you have to do is 80/2 in order to get your answer, because you do distance divided by time to find the speed.
user100 [1]2 years ago
4 0
The car would be moving at 40 miles per hour.
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Answer:

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Explanation:

The horizontal motion of the projectile is a uniform motion with constant speed, since there are no forces acting along the horizontal direction (if we neglect air resistance), so the horizontal acceleration is zero.

The horizontal component of the velocity of the projectile is

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and it is constant during the motion;

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Therefore, we can apply the formula of the uniform motion to find the horizontal displacement of the projectile:

d= v_x t =(15 m/s)(5 s)=75 m

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