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4 years ago

When you are in a egg toss contest why is it best to pull back your arms as you catch the egg

1 answer:

7 0

The reason why you do that is so that the pressure doesnt rush to the egg and hence make it crack. As you move your arms with the motion of the egg it takes a lot of the pressure off of it. :)

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The amount of matter in an object is called its, mass. How much the mass weights would be referred to as weight

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Sound is a type of mechanical wave and must have a medium through which to travel. Sound will move at different speeds when whic

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Hey there!

The answer would be B. The sound moves from air to water.

Sound travels through different mediums. It goes fastest in solids, a little slower in liquids, and slowest in air. Sound is a very fast wave, but remember that mediums can differ that. In a vacuum space, there is no sound at all. (ex. outer space)

Hope this helps !

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3 years ago

Which of the following is a chemical equation that accurately represents what happens when a sulfur and oxygen are produced from

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It's c................

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3 years ago

Based on the most widely accepted scientific explanation, elements began to form shortly after the big bang. Which of the follow

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Answer: B. helium

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4 years ago

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During takeoff, an airplane climbs with a speed of 195 m/s at an angle of 15° above the horizontal. The speed and angle constitu

matrenka [14]

Answer:

The horizontal component of the velocity is 188 m/s

The vertical component of the velocity is 50 m/s.

Explanation:

Hi there!

Please, see the figure for a graphic description of the problem. Notice that the x-component of the vector velocity (vx), the y-component (vy) and the vector velocity form a right triangle. Then, we can use trigonometry to obtain the magnitude of vx and vy:

We can find vx using the following trigonometric rule of a right triangle:

cos α = adjacent / hypotenuse

cos 15° = vx / 195 m/s

195 m/s · cos 15° = vx

vx = 188 m/s

The horizontal component of the velocity is 188 m/s

To calculate the y-component we will use the following trigonometric rule:

sin α = opposite / hypotenuse

sin 15° = vy / 195 m/s

195 m/s · sin 15° = vy

vy = 50 m/s

The vertical component of the velocity is 50 m/s.

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4 years ago