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Elina [12.6K]
4 years ago
6

A model train traveling at a constant speed around a circular track has a constant velocity

Physics
1 answer:
TiliK225 [7]4 years ago
3 0
A model train traveling at a constant speed around a circular track has a constant velocity. FALSE.
Hope this helps you!

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A car is driving at a velocity of 24 m/s. If its brakes can supply an acceleration of -5.0 m/s2, how much time will be required
Lady_Fox [76]
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You can isolate the variable by subtracting 24 from both sides to get -24=5x.
Now all that has to be done is divide both sides by -5, which will result in -4.8=x
3 0
3 years ago
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How much heat is needed to melt 16.5kg of silver that is initially at 20*c?
zubka84 [21]
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8 0
4 years ago
What fraction of the space within the atom is occupied by the nucleus?
ValentinkaMS [17]

Answer:

Approximately 6.8 x 10⁻¹⁵

Explanation:

To be able to get this fraction, there are some things we need to know.

1. The radius of nucleus = 1.0 x 10⁻¹³ cm

2. The radius of hydrogen atom = 52.9 pm

3. Volume of sphere = V1/V2 = (R1/R2)^3

4. 1 picometer (pm) = 10^-10 cm

CHECK ATTACHMENT FOR Step by step solution to the answer

3 0
3 years ago
It took 50 joules to push a shopping cart 5 meters.with what face was the shopping cart pushed?
gladu [14]
Hello! So Ik this can be wrong but I worked hard for it(: It took 50 joules to push a shopping cart 5 meters with what force was the shopping cart pushed. blinded him to enable him and his men to escape. the answer is: round. Done!
4 0
3 years ago
What Current is drawn by a vacuum cleaner from 120 V circuit having a resistance of 28
Ostrovityanka [42]

Answer:

4.3A

Explanation:

V=IR

120=I×28

I=120/28

=4.3

hope this helps

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5 0
3 years ago
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