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Paraphin [41]
3 years ago
8

A car travels between two towns 80 miles apart in 2 hours. What is its average speed?

Physics
2 answers:
3241004551 [841]3 years ago
7 0
Speed is defined as the distance per unit time.
So we can calculate the speed by :

S = Distance traveled/Time taken
S = 80 /2
S = 40 miles/hour
iren [92.7K]3 years ago
6 0

Answer:

Average speed of the car is 40 miles per hour

Explanation:

It is given that,

Distance covered by the car, d = 80 miles

Time taken by the car, t = 2 hours

We need to find the average speed of the car. It is given by :

v=\dfrac{d}{t}

v=\dfrac{80\ miles}{2\ h}

v = 40 miles/hour

So, the average speed of the car is 40 miles per hour. Hence, this is the required solution.

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Elliot jumps up and down on a pogo stick. He weighs 600.N, and his pogo stick has a spring with spring constant 1100N/m. What is
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From conservation of energy, the height he will reach when he has gravitational potential energy 250J is 0.42 meters approximately

The given weight of Elliot is 600 N

From conservation of energy, the total mechanical energy of Elliot must have been converted to elastic potential energy. Then, the elastic potential energy from the spring was later converted to maximum potential energy P.E of Elliot.

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To find the height Elliot will reach, substitute all necessary parameters into the equation above.

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Learn more about energy here: brainly.com/question/24116470

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