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Fittoniya [83]
3 years ago
11

Which of the following is an example of how light does NOT require a medium?

Physics
1 answer:
lord [1]3 years ago
6 0
The answer is c, Light transmits energy from one place to another.
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A 50N girl pushes a 10,000 N car with force of 200N. What is the force the car pushes back at the girl? *
miss Akunina [59]

Answer:

200N

Explanation:

EVERY FORCE IS OPPOSED BY AN EQUAL FORCE, REGARDLESS OF THE WEIGHT OF THE OBJECTS APPLYING THE FORCE.

8 0
3 years ago
A woman launches a boat from one shore of a straight river and wants to land at the point directly on the opposite shore. If the
I am Lyosha [343]

Answer:

If she stands on the North side of a river flowing to the East at 5 mph,

she must head towards the SouthWest to arrive on the South side of the river directly across from her starting point and we have

x^2 + 5^2 = 10^2 where x is her speed directly across the river

x = (75)^1/2 = 8.66 mph towards the South

sin theta = 5 / 10 = 1/2

She must angle the boat at 30 deg from straight South

4 0
2 years ago
Is induced current the same as induced voltage?​
12345 [234]

Answer:Lenz's Law of Electromagnetic Induction. ... This voltage is called an induced emf as it has been induced into the conductor by a changing magnetic field due to electromagnetic induction with the negative sign in Faraday's law telling us the direction of the induced current (or polarity of the induced emf).

Explanation:

3 0
3 years ago
What is the ratio of a 0.7 in circle in centimeters.
kifflom [539]
I believe it would be 4.4
4 0
3 years ago
Two birds have the same mass but one has bigger feet. How would pressure that they produce on the ground be different ?
Mama L [17]

Answer:

the pressure per square inch is greater from the smaller feet.

Explanation:

different weight distribution

3 0
3 years ago
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