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7nadin3 [17]
2 years ago
13

A ball is thrown with an initial speed of 10. Meters per second. At what angle above the horizontal should the ball be thrown to

reach the greatest height?
Physics
2 answers:
maria [59]2 years ago
6 0

The initial speed doesn’t matter.  To reach the maximum height, you need to launch straight up ... 90 degrees above horizontal.

Jlenok [28]2 years ago
5 0

Answer:

90 degree

Explanation:

The height for the projectile motion is given by

H = u^2 Sin^2 theta/ 2g

Height is maximum when sin theta is maximum.

Sin theta is maximum when it's value is 1.

So the value of theta is 90 degree.

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You need a 450 microgram sample of gold, but you only have a mass balance that measures in decigrams. Convert the amount of gold
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<h3>How to convert micrograms to decigrams?</h3>

According to this question, 450 micrograms of a sample of gold is needed but we only have a mass balance that measures in decigrams.

This means that we are to convert the amount of gold you need to decigrams by comparing the exponents.

The conversion factor of micrograms to decigrams is as follows:

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