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MAXImum [283]
2 years ago
6

Besides gravity, what factor keeps the moon and Earth in orbit?

Physics
2 answers:
earnstyle [38]2 years ago
8 0

Answer:

interna

Explanation:

please mark as brainllest

IRISSAK [1]2 years ago
5 0
Answer is inertia
Good Luck ;)

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Inga [223]
Both of your answers are correct
4 0
3 years ago
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A student throws a 5.0 newton ball straight up. What is the net force on the ball at its maximum height
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3 years ago
A cyclist is coasting at 15 m/s when she starts down a 450 m long slope that is 30 m high. The cyclist and her bicycle have a co
Flura [38]

Answer:

Her speed at the bottom of the slope is 25.665 m/s

Explanation:

Here we have

Initial velocity, v₁= 15 m/s

Final velocity = v₂

The energy balance present in the system can be represented as

\frac{1}{2}mv_2^2 -\frac{1}{2}mv_1^2 - mgh = W

Where:

m = Mass of the cyclist = 70 kg

W = work done by the drag force = -F_Dd

Where:

d = Distance traveled = 450 m

Therefore,

\frac{1}{2}mv_2^2 -\frac{1}{2}mv_1^2 - mgh = -F_Dd and

v_2^2 =\frac{ \frac{1}{2}mv_1^2 + mgh  -F_Dd}{ \frac{1}{2}m}  = v_1^2 + 2gh -\frac{   2F_Dd}{ m} = 15^2 + 2\times 9.8\times 30 - \frac{2\times 12\times 450}{70}

= 658.714 m²/s²

v₂ = 25.665 m/s

Her speed at the bottom of the slope = 25.665 m/s.

6 0
3 years ago
Rearrange the kinetic energy equation so that velocity is the subject
mars1129 [50]

Answer: V = sqrt(2K.E/M)

Explanation:

K.E = 1 /2MV^2

MV^2 = 2 K.E

V^2 = 2K.E /M

V = sqrt(2K.E/M)

6 0
3 years ago
Help please !! physics kinematic equations
jarptica [38.1K]

Explanation:

A or E I think cous I use to do this in yr 7

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3 years ago
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