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timurjin [86]
3 years ago
14

Gravitational forces is ------ force​

Physics
1 answer:
mel-nik [20]3 years ago
7 0

Answer:

Gravitational force is <u>noncontact</u> force

Explanation:

Contact force occurs due to the contact between two different objects. Non-contact force occurs due to either attraction or repulsion between two objects such that there is no contact between these objects. There is no field linked with the contact force. ... Gravitational force is an example of a non-contact force.

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Newton discovered that sunlight was composed of colors.<br><br><br> True or False
KonstantinChe [14]

Answer:

True

Newton's Rainbow. In the 1660s, English physicist and mathematician Isaac Newton began a series of experiments with sunlight and prisms. He demonstrated that clear white light was composed of seven visible colors.

Explanation:

Hope it helps

5 0
3 years ago
If air resistance acts on a falling object will all of its potential energy be converted into kinetic energy?
Mademuasel [1]

Answer:

No, some energy will be dissipated energy due to work of air resistance.

6 0
2 years ago
When measurements are close to their true values, they are said to be
katovenus [111]

Answer:

When measurements are close to true

value they are called to be accurate

Explanation:

3 0
3 years ago
Read 2 more answers
A small asteroid with a mass of 1500 kg moves near the earth. At a particular instant the asteroid’s velocity is ⟨3.5 × 104, −1.
zalisa [80]

Answer:

P_{f} =(5.7 x 10^{7 i - 2.24 x 10^{7 j) kgm/s

Explanation:

Due to earths gravity, force on asteroid is given by:

F= \frac{Gm_{1}m_{2} }{r^{2} } r^

Plugging in the values, we have

F= [(6.67x10^{-11})(1500)(5.97 x 10^{24})(8x10^{6}i + 9x10^{6 j)] / ((8x10^{6})² + (9x10^{6 )²)^{1.5}

F= 2736 i^ + 3078 j^

In order find the final momentum of the Asteroid, apply impulse momentum theorem

P_{f} = P_{i + FΔt

P_{f} = 1500(3.5 x 10^{4 i - 1.8x10^{4 j) + (2736i + 3078j)(1.5x10^{3)

P_{f} =(5.7 x 10^{7  i- 2.24 x 10^{7 j)kgm/s

4 0
4 years ago
Graph the following data on the graph, then use the graph to determine the half-life of this isotope.
Harlamova29_29 [7]

Answer:

4, 56

Explanation:

Hope this helped!

7 0
3 years ago
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