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DanielleElmas [232]
4 years ago
12

PLEASE PLEASE PLEASE PLEASE HELP?? ITS REALLY IMPORTANT..BRAINLIEST AND THANKS AND 5 STAR

Physics
1 answer:
dedylja [7]4 years ago
4 0
C, because scientists dont manipulate data, they don’t predict every outcome, and they’re predictions are testable, so the other answers don’t make sense
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A train is running at a speed of 72 km per hour how long will it take to cover a distance of 300 km​
dmitriy555 [2]

Answer:

4hrs

Explanation:

speed =72km/hr

distance= 300km

time =?

<h3><u>speed = distance/time</u></h3>

using this formula we make time the subject of the formula

time = distance/speed

time = 300/72

time = 4.1

therefore,

<em>time is equal to 4hrs</em>

3 0
3 years ago
Read 2 more answers
What do the magnetic field lines on a bar magnet look like?
KATRIN_1 [288]

Answer

A is the correct answer

Explanation:

mark me as brainlist and follow me

6 0
2 years ago
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A 282 kg bumper car moving 3.50 m/s collides with a 155 kg bumper car moving -1.38 m/s. Afterwards the 282 kg car moves at 1.10
icang [17]

Answer:

4.03 m/s

Explanation:

Initial momentum = final momentum

(282 kg) (3.50 m/s) + (155 kg) (-1.38 m/s) = (282 kg) (1.10 m/s) + (115 kg) v

v = 4.03 m/s

6 0
3 years ago
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Large sections of troposphere with same temperature and humidity is called
77julia77 [94]

Answer:

air mass

Explanation:

These are known as the air mass. However, the air mass results in sever storms at times. The storms are known as tornadoes. The storms are also very powerful as they can cause the distraction of everything in their path.In addition, the large sections result in the different types of air masses. These air masses are known as:

  • polar
  • tropical
  • continental and
  • maritime.
7 0
3 years ago
Why do cats have tails?
tester [92]
Cats have tails to help their balance. Similar to the stick a trapeze/high wire walker uses.

The tail helps to serve as a counterbalance when cats walk on narrow spaces such as fences or shelves. The tail also aids in balance when a cat is running after or jumping on prey.

Just so you know....Cats can live without tails.
3 0
3 years ago
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