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lana66690 [7]
3 years ago
7

An astronaut has a weight of 2000 kg elephant

Physics
1 answer:
Snowcat [4.5K]3 years ago
6 0

Answer: The answer is 19,600 newtons.

Explanation:

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Which is NOT a part of the Kinetic Molecular Theory? A) Atoms are in constant motion B) Gases are more compressible than liquids
djverab [1.8K]
The best answer would be the second option B) because that is NOT part of the Kinetic Molecular Theory.
5 0
3 years ago
Read 2 more answers
A mass of 8kg is suspended from a spring with a spring constant of 16N/m and then released, creating periodic motion. At what di
umka21 [38]

The spring will come to rest 4.9 m below the natural length

Explanation:

The mass-spring system will come to rest when the restoring force on the spring (pulling upward) balances the weight of the mass (pulling downward). Mathematically, this can be written as

F_x = W\\kx = mg

where

k is the spring constant

x is the elongation of the spring

m is the mass

g is the acceleration of gravity

In this problem, we have:

m = 8 kg is the mass

g=9.8 m/s^2 is the acceleration of gravity

k=16 N/m is the spring constant

Solving the equation for x,

x=\frac{(8)(9.8)}{16}=4.9 m

Therefore, the spring will come to rest 4.9 m below the natural length.

Learn more about forces:

brainly.com/question/8459017

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#LearnwithBrainly

7 0
3 years ago
(a) find the magnitude of the gravitational force between a planet with mass 7.50 3 1024 kg and its moon, with mass 2.70 3 1022
anzhelika [568]
<span>The magnitude of the gravitational force between two bodies is the product of their masses divided by the square of the distance between them. So we have F = M1*M2 / r^2. M1 = 7.503 * 10e24 and M2 = 2.703 * 10e22 and r= 2.803 * 10e8; r^2 = 5.606 *10e16. So we have 7.503 *2.703 *10^(24+22) = 20.280 * 10^(46). Then we divide our answer by 5.606 * 10e16 which is the distance ; then we have 3.6175 * 10 e (46- 16) = 3.6175 * 10e30. To find the acceleration we use Newton's second law F = ma. F is 3.6175 * 10e30 and M is 7.503 * 10e24 so a = F/M and then we have 3.6175/7.503 * 10e (30-24) = 0.48 * 10e6. Similarly for moon, we have a = 3.6715/2.703 * 10e(30-22). = 1.358 * 10e8</span>
4 0
3 years ago
PLEASE HELP!!!!!!!!!!
FinnZ [79.3K]

Answer:

ax = 4.01

Explanation:

6 0
3 years ago
A spring-loaded toy dart gun is shot to a height h. The same dart is shot straight up a second time from the same gun, but this
yarga [219]

Answer:

The height reached by the dart in the second shot is (4 H).

Explanation:

It is given that, a spring-loaded toy dart gun is shot to a height h. In this case, all the potential energy stored in the spring is converted to potential gravitational energy at the maximum height.

\dfrac{1}{2}kx^2=mgH........(1)

At the second shot, the spring is compressed twice as far before firing. x' = 2x

\dfrac{1}{2}kx'^2=mgh

\dfrac{1}{2}k(2x)^2=mgh.........(2)

h is the height reached by the dart in the second shot.

Dividing equation (1) and (2) as:

4=\dfrac{h}{H}

h = 4H

So, the height reached by the dart in the second shot is (4 H). Hence, this is the required solution.

8 0
3 years ago
Read 2 more answers
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