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Mashcka [7]
2 years ago
12

The diagram shows a negative charge moving in a magnetic field.

Physics
1 answer:
Gnom [1K]2 years ago
5 0

Answer:

Left

Explanation:

right on edge

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What is the force of gravity (from the Earth) on the 700kg satellite if it’s 10km above the Earth's surface?
BabaBlast [244]

Answer:

g = 4.7 × 10^{-16} m/s^{2}

Explanation:

Given that the mass of the satellite = 700 kg, and 10,000 m above the earth;s surface.

From Newton's second law,

 F = mg ............... 1

From Newton's gravitation law,

F = \frac{GMm}{r^{2} } .................. 2

Where: F is the force, G is the gravitational constant, M is the mass of the first body, m is the mass of the second body, g is the gravitational force and r is the distance between the centers of the two bodies.

Equate 1 and 2 to have,

mg = \frac{GMm}{r^{2} }

⇒   g = \frac{GM}{r^{2} }

But; G =  6.67 × 10^{-11} N m^{2} Kg^{-2}, M = 700 Kg, r = 10000 m

Thus,

g = \frac{6.67*10^{-11*700} }{10000^{2} }

  = \frac{4.669*10^{-8} }{1*10^{8} }

  = 4.669 × 10^{-16} m/s^{2}

The force of gravity on the satellite is 4.7 × 10^{-16} m/s^{2}.

5 0
4 years ago
A plane can fly 390 miles in the same time as it takes a car to go 120 miles. If the car travels 90 mph slower than the plane, f
never [62]

thats a hella slow plane

3 0
3 years ago
Please answer ASAP .
Arisa [49]

Answer:

Explanation:

a = gsinθ

a = 9.8sin30

a = 4.9 m/s²

v² = u² + 2as

v² = 0² + 2(4.9)(10)

v² = 98

v = √98 = 9.8994949...

v = 9.9 m/s

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3 years ago
How often do very active sunspot and solar flare cycles take place?
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Usually sunspot and solar flare cycles vary. But the average duration occurs every 11 years, sometimes 9-14 years as well.
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3 years ago
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Explain why astronomers long ago believed that space must be filled with some kind of substance (the “aether”) instead of the va
professor190 [17]

Answer:Explained

Explanation:

The scientist of that time could not believe that the electromagnetic waves do not require a medium to travel through so they made a space filling substance necessary to travel of electromagnetic waves called aether.

But after the special 0 theory of relativity this idea is discarded and fell out.

6 0
3 years ago
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