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xezthekingx4431
05.11.2020 •
Physics
You have landed on Mars, and observe that it takes a stone 1.8 sec to fall 6 m.
(A) What is the acceleration of gravity on Mars?
(B) How much does a 2 kg stone weigh on Mars?
(C) If you could jump to a height of 1.5 m on Earth, how high can you jump on Mars?
(D) If you knew that the mass of Mars was 6.4 x 1023 kg, what would you deduce is its radius?
(E) The Martian moon Deimos has a mass of 3 x 10-9 that of Mars itself. If Deimos is 2.3 x 107 m away from Mars, how strongly does Mars pull on its small satellite?
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Ответ:
4 m
Explanation:
t = Time taken
u = Initial velocity
v = Final velocity
s = Displacement
a = Acceleration
The acceleration due to gravity (g) on Mars is![3.7\ \text{m/s}^2](/tpl/images/0870/4975/1acd7.png)
Weight is given by
Weight of the stone on Mars is![7.4\ \text{N}](/tpl/images/0870/4975/3f7e6.png)
On Earth
On Mars
A person could jump 4 m on Mars.
Acceleration due to gravity on planet is given by
Radius of Mars is![3397678.06\ \text{m}](/tpl/images/0870/4975/24255.png)
Gravitational force is given by
The force of gravity between Mars and Deimos is![1.55\times 10^{14}\ \text{N}](/tpl/images/0870/4975/613c4.png)
Ответ:
D. a battery
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