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Softa [21]
3 years ago
13

What is produced as the result of unequal warming of the earth's surface?

Physics
1 answer:
Soloha48 [4]3 years ago
7 0
Unusual precipitation patterns 
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9. True or False: Sawmills and gristmills are machines that do not need
gizmo_the_mogwai [7]

Answer:

true can i get brainliest :)

Explanation:

4 0
3 years ago
Can some one help me with this question its hard :( down below ill give brainliest
eduard

Answer:  B

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A boy throws a baseball onto a roof and it rolls back down and off the roof with a speed of 3.75 m/s. If the roof is pitched at
dalvyx [7]

Answer:

a) t = 0.528 s

b) D = 1.62 m

Explanation:

given,

speed of the baseball = 3.75 m/s

angle made with the horizontal = 35°

height of the roof edge = 2.5 m

using equation of motion

s = ut +\dfrac{1}{2}gt^2

2.5 = vsin\theta \ t +\dfrac{1}{2}gt^2

2.5 = 3.75\ sin35^0 \ t +\dfrac{1}{2}\times 9.8 t^2

4.9 t² + 2.15 t - 2.5 = 0

on solving the above equation

t = 0.528 s

b) D = v cos θ × t

D = 3.75 × cos 35° ×0.528

D = 1.62 m

3 0
3 years ago
Most ocean waves obtain their energy and motion from _____. the wind the moon’s gravitational attraction the sun plate movement
Lelechka [254]
The correct answer is Tectonic plates
4 0
3 years ago
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Compare the amount of work done when one man uses an ideal pulley to lift a 500 newton weight 2 meters and one man lifts a 500 n
Liono4ka [1.6K]

More work is done when one man lifts the weight using a pulley. Option C is correct.

<h3>What is mechanical advantage ?</h3>

Mechanical advantage is a measure of the ratio of output force to input force in a system, it is used to obtained efficiency of  forces in levers and pulley.

It is an effective way of amplify the force in simple machines like lever  The theoretical mechanical advantage is defined as the ratio of the force responsible for the useful work in the system  to the applied force.

More work is done when one man lifts the weight using a pulley. With the pulley, the mechanical advantage is increasing.

Hence, option C is correct.

To learn more about the mechanical advantage, refer to the link;

brainly.com/question/7638820

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2 years ago
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