3 years ago

Leo drew a force diagram to represent a satellite in orbit

Physics

2 answers:

Kaylis [27]3 years ago

5 0

Answer:

the answer is d

Explanation:

juts did it on e2020

Vlad1618 [11]3 years ago

4 0

Answer:

your answer is D to remove the fair vector

Explanation:

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An engineer in India (standard household voltage = 220 volts) is designing a transformer for use on her

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He should a step-up transformer with k=220/120=1.83 so output coil must have 240*1.83=440 turns

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3 years ago

Franklin needs to ship a box with FedEx. In order to calculate his shipping costs, he needs to measure the mass of the package.

balandron [24]

Answer:

meter

Explanation:

please mark as brainlist answer

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3 years ago

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g An astronaut must journey to a distant planet, which is 189 light-years from Earth. What speed will be necessary if the astron

Butoxors [25]

Answer:

The value is $v = 2.999 *10^{8} \ m/s$

Explanation:

From the question we are told that

The time taken to travel to the planet from earth is $t = 189 \ light-years$

The time to be spent on the ship is $t_{s} = 12 \ years$

Generally speed can be obtained using the mathematical relation represented below

$t_s = 2 * t * \sqrt{1 - \frac{v^2}{c^2 } }$

The 2 in the equation show that the trip is a round trip i.e going and coming back

=> $12 = 2 * 189 * \sqrt{1 - \frac{v^2}{(3.0*10^{8})^2 } }$

=> $v = 2.999 *10^{8} \ m/s$

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3 years ago

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The first one is electrical energy

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