3 years ago

PLEASE HELP ME SOMEONE

1 answer:

4 0

To convert<span> temperatures in degrees </span>Fahrenheit to Celsius<span>, subtract 32 and multiply by .5556 (or 5/9)
So your answer is D</span>

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A net force of 500 newtons causes

Nadusha1986 [10]

Answer:

<h3>The answer is option A</h3>

Explanation:

To find the mass of an object given it's acceleration and the force acting on it we use the formula

$mass = \frac{force}{acceleration} \\$

From the question

force = 500 N

acceleration = 5.0 m/s²

We have

$mass = \frac{500}{5} \\$

We have the final answer as

Hope this helps you

4 0

3 years ago

A ray moving in plastic at 62.9 deg enters water, where it bends to 70.9 deg. What is the index of refraction of the plastic?

DedPeter [7]

Answer:

refractive index of plastic is 1.42

Explanation:

When light ray enters from one medium to other medium then due to transition of light it bends away or towards the normal, this phenomenon is known as refraction of light

So here we know that

$n_1 sin i = n_2 sin r$

here we have

$n_2 = \frac{4}{3}$

$i = 62.9^o$

$r = 70.9^o$

now we have

$n_1 sin62.9 = (\frac{4}{3}) sin70.9$

$n_1 = 1.42$

7 0

3 years ago

Which one of the following accurately describes the force of gravity?

elena55 [62]

Choice ' C ' is a true statement.
The other choices aren't.

8 0

3 years ago

Help with this ASAP it’s due today

adoni [48]

I didn’t know water has calories

7 0

3 years ago

As Aubrey watches this merry-go-round for a total of 2 minutes, she notices the black horse pass by 15 times. What is the period

Hunter-Best [27]

Periodic time is the time taken for one complete oscillation by a body in circular motion. In this case the merry-go round takes 2 minutes to cover 15 complete oscillations. 2 Minutes = 120 seconds
Hence, 15 oscillations takes 120 secs
thus 1 oscillation takes 120/15 = 8 seconds
therefore the period of the merry-go-round = 8 seconds

8 0

3 years ago

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