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Delicious77 [7]
3 years ago
5

Ball is rolling for 12 seconds and a distance of 6 meters what is its speed

Physics
2 answers:
lutik1710 [3]3 years ago
7 0

U can remember this TRIANGLE

D

- - - - - - -

S | T

HERE TIME AND DISTANCE IS GIVEN SO TO find s (speed) d÷t

o-na [289]3 years ago
5 0

Speed=Distance/Time

So S=6/12=.5 m/s

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As a laudably skeptical physics student, you want to test Coulomb's law. For this purpose, you set up a measurement in which a p
Oksana_A [137]

Answer:

a.Attractive

2.31531\times 10^{-16}\ N

Explanation:

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Here, there is a proton and electron which are different particles hence, they will attract each other.

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k = Coulomb constant = 8.99\times 10^{9}\ Nm^2/C^2

Force is given by

F=\dfrac{kq_1q_2}{r^2}\\\Rightarrow F=\dfrac{8.99\times 10^9\times 1.6\times 10^{-19}\times 1.6\times 10^{-19}}{(997\times 10^{-9})^2}\\\Rightarrow F=2.31531\times 10^{-16}\ N

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8 0
3 years ago
Two lightbulbs work on a 120-V circuit One 50 W and the other is 100 W. Which bulb has a higher resistance? Explain pls!!!!
Sladkaya [172]

Answer:

Bulb 1 has more resistance.

Explanation:

Given that,

Two lightbulbs work on a 120-V circuit.

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The power of the bulb is given by :

P = \dfrac{V^2}{R}

For bulb 1,

R_1=\dfrac{V^2}{P_1}\\\\R_1=\dfrac{(120)^2}{50}\\\\R_1=288\ \Omega

For bulb 2,

R_2=\dfrac{V^2}{P_2}\\\\R_2=\dfrac{(120)^2}{100}\\\\R_2=144\ \Omega

So, bulb 1 has higher resistance.

8 0
2 years ago
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Mila [183]

Answer:

B

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5 0
3 years ago
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TiliK225 [7]

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3 years ago
Graphs do not need to have a title.true or false
katovenus [111]
The answer for this question should be "false".
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3 years ago
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