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Novay_Z [31]
3 years ago
6

Please help me with these two questions

Physics
1 answer:
Andre45 [30]3 years ago
4 0

Answer:

The kinetic energy would decrease because it has less mass

Explanation:

A battery

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Explanation:

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What must the charge (sign and magnitude) of a 1.45-g particle be for it to remain stationary when placed in a downward-directed
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Answer:

charge will be equal to 2.03\times 10^{-5}C  

Explanation:

We have given mass of the particle m = 1.45 gram = 0.00145 kg

Acceleration due to gravity g=9.8m/sec^2

Electric field E = 700 N/C

Electric force will be equal to F=qE, here q is charge and E is electric field

For particle to be stationary this force must be equal to force due to gravity , that is mg force

So qE = mg

q=\frac{mg}{E}=\frac{0.00145\times 9.8}{700}=2.03\times 10^{-5}C

So charge will be equal to 2.03\times 10^{-5}C

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3 years ago
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NeX [460]

Answer:

Height, mass, acceleration.

Explanation:

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2 years ago
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