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defon
4 years ago
8

An object stays at rest until what happens to it

Physics
2 answers:
WINSTONCH [101]4 years ago
8 0

Until acted on by an outside force

luda_lava [24]4 years ago
3 0

Answer:

Motion the action or process of moving or being moved.happens to it

Explanation:

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Pls help on this one
lidiya [134]

Answer:

D

Explanation:

because 50.0/10.0 = 5.0

5 0
3 years ago
Read 2 more answers
a fire truck drives 3 miles to the east, then 1.2 miles to the west.what is the displacement of the fire truck
blagie [28]
Then he is 1.8 miles west
6 0
3 years ago
If a 0.15 kg ball falls and has a KE of 20 J just before striking the ground, from what height did it fall. A. 1.36m B. 3m C. 13
RUDIKE [14]
According to the conservation of mechanical energy, the kinetic energy just before the ball strikes the ground is equal to the potential energy just before it fell. 

Therefore, we can say KE = PE
We know that PE = m·g·h

Which means KE = m·g·h

We can solve for h:

h = KE / m·g
   = 20 / (0.15 · 9.8) 
   = 13.6m

The correct answer is: the ball has fallen from a height of 13.6m.

5 0
3 years ago
2. Michelle bought 15.6 yards of fabric. She used 5.43 yards in her art installation. About what percent of the fabric did she u
photoshop1234 [79]
35%
5.43/15.6
This is how you calculate the percentage the answer is 35%
4 0
3 years ago
when mary took a cold thick-walled glass out of the refrigerator and placed it in boiling water, the glass cracked. Explain why
goldfiish [28.3K]
The outer surface of the glass expands faster than the inside surface since glass is a fairly good thermal insulator. The outer surface tries to expand without the inner surface doing so at the same time. This is the secret of Pyrex glass. It is more conductive to heat and the inner and outer surface expand (and contract) at the same time.

4 0
3 years ago
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