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zimovet [89]
3 years ago
10

The same force is applied to two skateboards. One rolls across the room and the other moves a few feet and comes to a stop. Wher

e was there more work done?
a. The skateboard that traveled the shorter distance shows more work because there was more resistance.
b. The skateboard that traveled the longer distance shows more work because it was lighter.
c. The skateboard that traveled further shows more work because the distance was greater.
d. The skateboard that traveled the shorter distance shows more work because the force was greater.
Physics
2 answers:
podryga [215]3 years ago
8 0

The question and all of the choices are rather messy and misleading.

Here's a simple statement that you can use to make the best match:

If the two forces are equal, then more work is done by the force that
continues to be applied through the greater distance.

mestny [16]3 years ago
6 0

Answer:

<h2>C</h2>

Explanation:

<h2>THIS IS TRUE BECAUSE I TOOK THE TEST, and because THE EQUATION FOR WORK IS WORK = FORCE * DISTANCE AND EVEN THO THEY BOTH HAVE THE SAME FORCE THE OTHER ONE HAS MORE DISTANCE, ITS LIKE SAYING WHICH EQUAION HAS A BIGGER ANSWER 1*1 OR 1*2 WELL ITS OBVIOUSLY THE SECOUND EQUATION SO THE ANSWER IS C LIKE I SAID BEFORE</h2><h2 /><h2>BTW  AL2006 IS WRONG AND I DONT EVEN UNDERSTAND WHAT HE EVEN THO HE IS "TRUSTED"</h2>
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Explanation:

The attached figure shows data for the cart speed, distance and time.

For low fan speed,

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v=\dfrac{d}{t}\\\\v=\dfrac{500}{6.4}\\\\v=78.12\ cm/s

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a=\dfrac{v}{t}\\\\a=\dfrac{78.12}{6.4}\\\\a=12.2\ cm/s^2

For high fan speed,

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Average velocity,

v=\dfrac{d}{t}\\\\v=\dfrac{500}{5.6}\\\\v=89.28\ cm/s

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a=\dfrac{v}{t}\\\\a=\dfrac{89.28}{5.6}\\\\a=15.94\ cm/s^2

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