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Andreyy89
3 years ago
5

2. Look at the table of typical densities. You have a 1 cm volume of each of the materials.

Physics
2 answers:
Serjik [45]3 years ago
3 0

Answer:

um were is it

Explanation:

-BARSIC- [3]3 years ago
3 0

Answer:

i think its b

Explanation:

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A 10- kg ball starting from rest rolls down a 5 m tall smooth hill from one person to another person who is standing at the bott
olya-2409 [2.1K]

Answer: 3.13 m

Explanation:

Given

mas of the ball is m=10 kg

The ball rolls down a vertical distance of 5 m

Spring constant of spring is k=100\ N/m

Here, the potential energy of the ball converted into kinetic energy which in turn converts into elastic potential energy

\Rightarrow mgh=\frac{1}{2}kx^2\quad [\text{x=compression in the spring}]\\\\\Rightarrow 10\times 9.8\times 5=\frac{1}{2}\cdot 100\cdot x^2\\\Rightarrow x=\sqrt{9.8}\\\Rightarrow x=3.13\ m

Thus, the spring compresses by 3.13 m.

6 0
3 years ago
What happens if someone walks between you and the heater? Can you still feel its warmth?
Pie
No, for that moment
6 0
4 years ago
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Help Easy Question and Brainly. What's the answer?????
denpristay [2]

Answer:

negatively

Explanation:

4 0
3 years ago
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a rectangular tank measures 12.5 metres long 10.0 wide and 2.0 metre high calculate the mass of the water in the tank when it is
Tom [10]

Answer:

250000kg

Explanation:

Mass =density * volume

Density=1000kg/m³

Volume=l*w*h

12.5*10.0*2.0=250m³

Mass=1000 *250

=250000kg

7 0
3 years ago
You are riding a bicycle. If you apply a forward force of 172 N, and you and the bicycle have a combined mass of 51 kg, what wil
Natali [406]

Answer:

<h3>The answer is 3.37 m/s²</h3>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

acceleration =  \frac{force}{mass} \\

From the question

force = 172 N

mass = 51 kg

We have

acceleration  =  \frac{172}{51}  \\  = 3.372549019...

We have the final answer as

<h3>3.37 m/s²</h3>

Hope this helps you

4 0
4 years ago
Read 2 more answers
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