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Anna35 [415]
3 years ago
9

A uniform solid sphere rolls down an incline. (a) What must be the incline angle if the linear acceleration of the center of the

sphere is to have a magnitude of 0.60g?
Physics
1 answer:
sergejj [24]3 years ago
3 0

Answer:

A.

Explanation:

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A metal rod A and a metal sphere B, on insulating stands, touch each other. They are originally neutral. A positively charged ro
ryzh [129]

Answer:

The sphere is positively charged

Explanation:

This is because when the positively charged rod is brought near the metal rod A, the electrons in metal rod A and sphere B are attracted towards it into metal rod A while the positive charges in the are repelled into sphere B. So, when the charged rod is withdrawn, and metal rod A and sphere B are separated, metal rod A is now negatively charged, but sphere B is positively charged.

So, sphere B is positively charged.

3 0
3 years ago
HURRY! PLEASE HELP!!!!<br><br><br> 3. What methods are you using to test this (or each) hypothesis?
Pie

Answer:

How to Test Hypotheses

State the hypotheses. Every hypothesis test requires the analyst to state a null hypothesis and an alternative hypothesis. ...

Formulate an analysis plan. The analysis plan describes how to use sample data to accept or reject the null hypothesis. ...

Analyze sample data. ...

Interpret the results.

4 0
3 years ago
When humans started launching rockets into outer space, they needed to make certain the rockets had enough power to escape Earth
GaryK [48]
Tha answer has to be a
5 0
3 years ago
1. What is the kinetic energy of a 94 kg basketball player running at 7.3 m/s?
LUCKY_DIMON [66]
1. 2504.63 J

2. 929.5m/s

Hope this helps :)

I can explain it as well if you’d like
8 0
2 years ago
How do I find the cosine of theta.
NNADVOKAT [17]

The value of cos θ in the given figure is 0.98.

<h3>What is cosine of an angle?</h3>

The cosine of an angle is defined as the sine of the complementary angle.

The complementary angle equals the given angle subtracted from a right angle, 90.

cos θ = sin(90 - θ)

For example, if the angle is 30°, then its complement is 60°

cos 30 = sin(90 - 30)

cos 30 = sin 60

0.866 = 0.866

<h3>Cosine of an angle with respect to sides of a right triangle</h3>

cos θ = adjacent side / hypotenuse side

adjacent side of the given right triangle is calculated as follows;

adj² = 10² - 2²

adj² = 100 - 4

adj² = 96

adj = √96

adj = 9.8

cos θ = 9.8/10

cos θ = 0.98

Thus, the value of cos θ in the given figure is 0.98.

Learn more about cosine of angles here: brainly.com/question/23720007

#SPJ1

5 0
1 year ago
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