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3 years ago

Write the terms involved in s=ut+1\2

Physics

1 answer:

cricket20 [7]3 years ago

7 0

s = displacement; u = initial velocity; t = time of motion

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A year on earth is 365 .26 long a year on Saturn last over 29 times longer than earth which of the following best explains this

lana66690 [7]

Answer:

Explanation:

it could be

Saturn is father from the sun than earth because

Saturn averages 886 million miles (1.4 billion km) from the sun, nine and a half times Earth's average distance.

Saturn rotates on its axis faster than earth

Saturn spin more rapidly on their axes than the inner planets do and possess most of the system's angular momentum.

I think this is the best

Saturn rotates on its axis faster than earth

I hope this helps a bit.

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3 years ago

Sputnik, the first artificial satellite to orbit the Earth, had a mass of 83.6kg and travelled at 7574 m/s. The radius of the ea

konstantin123 [22]

Answer:

690.6 N

Explanation:

The gravitational force that the Earth exerts on Sputnik acts as centripetal force to keep the satellite in motion, so we can write

$\frac{GMm}{r^2}=m\frac{v^2}{r}$

where

G is the gravitational constant

M = 5.972 x 10^24 kg is the Earth's mass

m = 83.6 kg is the satellite's mass

v = 7574 m/s is the satellite's speed

r is the distance of the satellite from the Earth's center

Solving for r, we find

$r=\frac{GM}{v^2}=\frac{(6.67\cdot 10^{-11})(5.972\cdot 10^{24})}{(7574)^2}=6.944\cdot 10^6 m$

Now we can find the gravitational force exerted by the Earth on Sputnik:

$F=\frac{GMm}{r^2}=\frac{(6.67\cdot 10^{-11})(5.972\cdot 10^{24})(83.6)}{(6.944\cdot 10^6)^2}=690.6 N$

And according to Newton 3rd law (action-reaction, the force exerted by Sputnik on the Earth is equal to the force exerted by the Earth on Sputnik, so this is the value of the force we are requested to find.

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3 years ago

For a particular RLC series circuit, the capacitive reactance is 7.95 Ω , 7.95 Ω, the inductive reactance is 47.7 Ω , 47.7 Ω, an

I am Lyosha [343]

Answer:

51.3165 V

Explanation:

The maximum voltage across the circuit is given as,

V' = IXc + IXl + Vr .................. Equation 1

Where V' = The maximum voltage across the circuit, I = current, Xc = capacitive reactance, Xl = inductive reactance, Vr = voltage cross the resistor.

From Ohm's Law,

V = IR........... Equation 2

I = V/R........... Equation 3

Given: V = 28.5 V, R = 69.5 Ω

Substitute into equation 3

I = 28.5/69.5

I = 0.41 A.

Also Given: Xc = 7.95 Ω, Xi = 47.7 Ω, Vr = 28.5 V.

Substitute into equation 1

V' = 7.95(0.41) + 47.7(0.41) + 28.5

V' = 3.2595+19.557+28.5

V' = 51.3165 V

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3 years ago

The two basic units of weight in the metric system is the___?

Alika [10]

Answer:

The two basic units of weight in the metric system is the?

The gram and kilogram is the Correct Answer...

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3 years ago

GIVING BRAINLIEST FIVE STARS AND HEART!

alina1380 [7]

Answer:

A bicycle on the top of the hill has the highest potential energy, and when the bike goes down, it transfers to kinetic because it is moving

Explanation:

yeah

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3 years ago

Write the terms involved in s=ut+1\2​

Write the terms involved in s=ut+1\2