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Marianna [84]
3 years ago
9

Which statement is true about white dwarf?

Physics
2 answers:
kramer3 years ago
8 0

C is the correct answer

galben [10]3 years ago
6 0

White dwarf are very dense and small in size is a true statement.

Answer: Option C

<u>Explanation:</u>

A white dwarf also known as degenerate dwarf.  The white dwarf "mass is comparable to the Sun" and its "volume is comparable to Earth".

The white dwarf is a stellar whose size is near to the size of the earth. It had a gravitational collapse. The diameter of the white dwarf is just one percent of the Sun. It is extremely dense where there is no free space between the atoms.

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When you drive through deep water, you should dry out your brakes by _____________. pumping your brakes and driving in low gear
Mandarinka [93]

Answer:

By Applying pressure to the brakes

Explanation:

Driving cars through deep water that is more than 10cm can make the cars to float. Most modern cars are usually water- tight so they can start to float through water that is about 30cm deep, fast moving water is very powerful so one needs to be very careful when driving.

If the brakes are wet test them by pressing or tapping on them gently.

You can as well dry brakes by driving in low gear and applying pressure to the brakes.

7 0
3 years ago
Which of the following are features of the nucleus of an atom
vichka [17]
We r made of atom so v can’t touch anything hehe I just joking
4 0
2 years ago
Pls answer the 15a answer i cant understand it​
Maksim231197 [3]

Materials required for the experiment of limiting force borne by string:-

  1. String balance
  2. weights
  3. light strings
  4. weight hanger
  5. pan for spring balance
  6. Sand

Steps of procedure for for the experiment of limiting force borne by string:-

  1. First we have to tie a light string to the fixed support and then tie the other end with the weight hanger consists of weight.
  2. Add additional weight to the hanger again and again. And continue the same until the string is broken.
  3. Note down the weight (x) where the string is broken.
  4. Suspend spring balance to a support.
  5. Tie the light string at the end of the balance and at the other end suspend the pan for spring balance.
  6. Now place the weights (x-100 grams) in pan.
  7. Observe the reading in the spring balance.
  8. Add a small amount of sand in the pan by observing the readings.
  9. same is to be done till the string is broken.

Learn more about limiting force here:- brainly.com/question/11371672

#SPJ1

6 0
1 year ago
Question in pic asap plz
REY [17]
We can’t see anything
5 0
3 years ago
3. Calculate the force it would take to accelerate a 50 ka bike at a rate of 3 m/s2 (6 points)
qwelly [4]

Answer:

150 N

Explanation:

Given that,

  • Acceleration (a) = 3 m/s²
  • Mass of the bike (m) = 50 kg

We are asked to calculate force required.

\longrightarrow F = ma

\longrightarrow F = (50 × 3) N

\longrightarrow <u>F</u><u> </u><u>=</u><u> </u><u>1</u><u>5</u><u>0</u><u> </u><u>N</u>

8 0
3 years ago
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