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nika2105 [10]
3 years ago
10

What did Galileo discover when he dropped two cannon balls of different weights from the Leaning Tower of Pisa?

Physics
1 answer:
Nady [450]3 years ago
5 0

Answer:

They fell at the same time.

Explanation:

Galileo was the first to discover the property of gravity, in which it makes everything fall at the same time in an airtight space. Gravity makes all objects fall and accelerate at 9.8m/s/s, regardless of weight, because the ratio between the weight of the object and the air resistance acting against it is a constant.

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Liquid nitrogen is kept at a temperature of -320 degrees. When liquid nitrogen is heated it quickly boils and turns into gas. Wh
AysviL [449]

Answer: Picture (d) is the correct answer.

Explanation:

When liquid nitrogen is at -320 degrees then as the temperature is very low, therefore, molecules of nitrogen will be much closer to each other.

Whereas when liquid nitrogen is boiled then we are increasing the temperature. As a result, force of attraction between the molecules decreases and they will move far apart from each other.

It is known that below 63 K liquid nitrogen tends to freeze and thus it becomes solid. So, at -320 degrees liquid nitrogen will be in solid state.

In the given pictures, picture (d) represents the change caused by adding heat to liquid nitrogen.

4 0
3 years ago
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On a beautiful spring day, Juan is playing a round of golf. He hits the golf ball with an initial velocity of 44.9 m/s at an ang
Pavlova-9 [17]

Answer:

140m 13 degree

Explanation:

yan po thank nalang po sa point

4 0
3 years ago
Question in the picture - Conservation of Momentum
Anit [1.1K]

Answer:

can you please tell me what it means

Explanation:

then I'll answer it

7 0
3 years ago
If a force of 10 n is applied to an object with a mass of 1kg the object will accelerate at
givi [52]
We Know, F = m*a
Here, F = 10 N
m = 1 Kg

Substitute their values in the equation,
10 = 1 * a
a = 10/1
a = 10

So, your final answer & the acceleration of the object would be 10 m/s²

Hope this helps!
3 0
3 years ago
At what speed, in m/s, would a moving clock lose 1.3ns in 1.0 day according to experimenters on the ground?
OleMash [197]

Answer:

v=0.14c

Explanation:

5 0
3 years ago
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