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3 years ago

What is volume?

Physics

2 answers:

ddd [48]3 years ago

8 0

Answer:

it is bbb and how are you today

prohojiy [21]3 years ago

6 0

Answer:

the amount of space a substance takes up

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A car accelerates from rest at 2 m/s. what is the speed after 8 sec?

beks73 [17]

Answer:

16m/s

Explanation:

$v_{f}=v_{i}+at$

$v_{f}=0+2\cdot8$

$v_{f}=16\ \frac{m}{s}$

Therefore, the speed after 8 seconds is 16m/s

6 0

2 years ago

A block of 1 kg with a speed 1 m/s hits a spring placed horizontally as shown in the figure. If spring constant is 1000 N/m, fin

Evgen [1.6K]

Answer:

0.0316 m

Explanation:

Wok done = Energy change

Work done on the spring = Energy change of the block

Elastic Potential stored = Kinetic energy of the block

$\frac{1}{2} kx^{2} = \frac{1}{2} mv^{2}$

x = $\sqrt{v^{2}\frac{m}{k} }$

x = $\sqrt{1^{2}\frac{1}{1000} }$

x = 0.0316 m

k = spring constant

m = mass of block

v = velocity of the block

x = compression of spring

8 0

3 years ago

In general, what do you think are the benefits if you already achieve your body goals.

balandron [24]

Answer:

exercise dailyyy

Help you control your weight. ...

Reduce your risk of heart diseases. ...

Help your body manage blood sugar and insulin levels. ...

Help you quit smoking. ...

Improve your mental health and mood. ...

Help keep your thinking, learning, and judgment skills sharp as you age.

Explanation:

7 0

3 years ago

Is condensation adding thermal energy

Anna35 [415]

I believe it is, since the heat causes the water to evaporate and cause condensation,

3 0

3 years ago

Darwin is sitting on top of a 10 m tree and decided to drop a 3 kg baseball to the ground. What is the velocity when the PE turn

Nimfa-mama [501]

The AMOUNT of energy the ball has doesn't change. It's 294 joules in Darwin's hand, and it's still 294 joules when the ball hits the ground. It's all PE before he let's it go, and it steadily changes from PE to KE all the way down.

It BEGINS to turn into KE immediately, when Darwin lets go of the ball, and it starts to fall.

More and more PE turns into KE as the ball falls, all the way down.

When the ball hits the ground, it has no more PE left. All of its mechanical energy is then KE.

8 0

3 years ago