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hodyreva [135]
3 years ago
12

Can you explain why your mass would be the same on earth and the moon?

Physics
1 answer:
SashulF [63]3 years ago
6 0

Answer:  Our weight on moon is less than it would be on Earth due to a difference of the strength of gravity on the moon. The moon's gravitation force is determined by the mass and the size of the moon. ... This means that if you went to the moon you would weigh less, even though your mass stays the same!

HOPE THIS HELPS

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Topic: Chapter 10: Projectory or trajectile?
Charra [1.4K]

Answer:

The other angle is 75⁰

Explanation:

Given;

velocity of the projectile, v = 10 m/s

range of the projectile, R = 5.1 m

angle of projection, 15⁰

The range of a projectile is given as;

R = \frac{u^2sin(2\theta)}{g}

To find another angle of projection to give the same range;

5.1 = \frac{10^2 sin(2\theta)}{9.81} \\\\100sin(2\theta) = 50\\\\sin(2\theta) = 0.5\\\\2\theta = sin^{-1}(0.5)\\\\2\theta = 30^0\\\\\theta = 15^0\\\\since \ the \ angle \ occurs \ in \ \ the \ first \ quadrant,\  the \ equivalent \ angle \\ is \ calculated \ as;\\\\90- \theta = 15^0\\\\\theta = 90 - 15^0\\\\\theta = 75^0

<u>Check: </u>

sin(2θ) = sin(2 x 75) = sin(150) = 0.5

sin(2θ) = sin(2 x 15) = sin(30) = 0.5

5 0
3 years ago
A 20 newton weight is attached to a spring, causing it to stretch, as shown in the diagram below. What is the spring constant of
Whitepunk [10]

A 20.-N force stretches the spring by 1.00 m - 0.50 m = 0.50 m, so by Hooke's law the spring constant is k such that

20. N = k (0.50 m)

⇒   k = (20. N) / (0.50 m) = 40 N/m

4 0
3 years ago
The two properties of an electron that cannot be known exactly at the same time are the ____________________.
enyata [817]
Position and momentum.

This is Heisenberg's Uncertainty Principle:
Δx Δp ≥ h ÷ 4π,   where Δx is the change in position, Δp is the change in momentum, and h is Planck's Constant.
6 0
3 years ago
At which latitudes shown in the image of Earth do people experience the greatest tangential speed?
PilotLPTM [1.2K]

There's actually only one latitude implied by anything attached the question . . . Zero, since there are no choices listed.

That's brilliant ! Because zero latitude (the equator) IS the place on Earth where tangential speed is greatest.

Very clever !


5 0
4 years ago
How many joules of heat would be required to heat 0.5 kg of aluminum by 2 kelvin
melisa1 [442]
0.902 joules of energy
4 0
3 years ago
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