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Alexxandr [17]
3 years ago
8

What is the basic building block of all matter

Physics
2 answers:
Natalka [10]3 years ago
7 0
I think that is atom. 
Igoryamba3 years ago
6 0
An Atom is correct hope u pass your class
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A 0.68 kg squirrel is resting on a branch 8 meters above the ground. What is the gravitational potential energy of a squirrel? A
ANEK [815]

Answer:

The gravitational potential energy of a squirrel is 53.312 J.

Explanation:

We have,

Mass of a squirrel is 0.68 kg

It is placed at a height of 8 m above the ground.

It is required to find the gravitational potential energy of a squirrel. It is possessed by an object due to its position. Its formula is given by :

E=mgh\\\\E=0.68\times 9.8\times 8\\\\E=53.312\ J

So, the gravitational potential energy of a squirrel is 53.312 J.

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3 years ago
Forces cause changes to the motion of objects. Name a force and describe two changes it makes.
otez555 [7]
Sliding and Static.

Would be the right one here.
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4 years ago
Comment on whether or not the following label on a consumer product should be cause for concern: CAUTION: The mass of this produ
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Yes, it should be.

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4 years ago
Give 2 examples for Newton’s first law of motion.​<br><br>please answer this question!!!!!
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This means it doesn't change its velocity and it doesn't have momentum. 3. Examples of Newton's 1st Law  If you slide a hockey puck on ice, eventually it will stop, because of friction on the ice. It will also stop if it hits something, like a player's stick or a goalpost.
5 0
3 years ago
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the
Katena32 [7]

Answer:

(a) Ball with 6.35 rev/sec gives greater speed

(b) So centripetal acceleration of ball with rotation 8.16 m/sec

a_c=\frac{v^2}{r}=\frac{4.896^2}{0.6}=39.95m/sec^2

So centripetal acceleration of ball with rotation 6.35 m/sec

a_c=\frac{v^2}{r}=\frac{5.75^2}{0.9}=36.73m/sec^2

Explanation:

(a) In first case angular speed \omega =8.16rev/secrev/sec and length of the chain = 0.8 m

So velocity v=\omega r=8.16\times 0.6=4.896 m/sec

In second case angular speed angular speed \omega =6.35rev/sec and length of the chain that is r = 0.6 m

So velocity v=\omega r=6.35\times 0.9=5.715m/sec

So 6.35 rev/sec gives greater speed

(b) Centripetal acceleration is given by a_c=\frac{v^2}{r}

So centripetal acceleration of ball with rotation 8.16 m/sec

a_c=\frac{v^2}{r}=\frac{4.896^2}{0.6}=39.95m/sec^2

So centripetal acceleration of ball with rotation 6.35 m/sec

a_c=\frac{v^2}{r}=\frac{5.75^2}{0.9}=36.73m/sec^2

6 0
3 years ago
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