If the distance from the moon to the satellite is 2.6 × 106 m, what is the mass of the satellite?

Physics

1 answer:

natali 33 [55]3 years ago

4 0

450kg would be your answer.

Hope it helped you.

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3. If a 50-kg person is running at 2 m/s and a 25-kg person is running at twice

lubasha [3.4K]

Answer:

The two people have the same momentum.

Explanation:

Given that,

Mass of person 1 is 50 kg and he is running at 2 m/s.

Mass of person 2 is 25 kg and he is running at twice that speed i.e. 4 m/s

The momentum of an object is given by :

p = mv

For person 1,

$p=50\times 2\\\\p=100\ kg-m/s$

For person 2,

$p'=25\times 4\\\\p'=100\ kg-m/s$

So, it can be seen that both persons will have the same momentum. Hence, the correct option is (c).

8 0

3 years ago

Read 2 more answers

The boiling point of water at sea level is 100 °c. at higher altitudes, the boiling point of water will be

Scilla [17]

<span> The boiling point of water at sea level is 100 °C. At higher altitudes, the boiling point of water will be.....
a) higher, because the altitude is greater.
b) lower, because temperatures are lower.
c) the same, because water always boils at 100 °C.
d) higher, because there are fewer water molecules in the air.
==> e) lower, because the atmospheric pressure is lower.
--------------------------
Water boils at a lower temperature on top of a mountain because there is less air pressure on the molecules.
-------------------
I hope this is helpful. </span>

8 0

3 years ago

A 40.0 turn coil of wire of radius 3.0 cm is placed between the poles of an electromagnet. The field increases from 0 to 0.75 T

nadezda [96]

Answer:

Induced emf, $V=3.76\times 10^{-4}\ V$

Explanation:

We have,

Number of turns in the coil, N = 40

Radius of coil, r = 3 cm = 0.03 m

The field increases from 0 to 0.75 T at a constant rate in a time interval of 225 s.

It is required to find the magnitude of the induced emf in the coil if the field is perpendicular to the plane of the coil. The induced emf is given by :

$\epsilon=\dfrac{d\phi}{dt}$