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3 years ago

According to the model of the atom hypothesized by Neils Bohr, where can electrons be found around an atom's nucleus?

Physics

1 answer:

VashaNatasha [74]3 years ago

3 0

a any distance away from the nucleus

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An 1,840 W toaster, a 1,460 W electric frying pan, and a 50 W lamp are plugged into the same outlet in a 15 A, 120 V circuit. (T

shutvik [7]

Answer:

Explanation:

Given

Power drawn by toaster $P_1=1840\ W$

Power drawn by Electric fan $P_2=1460\ W$

Power drawn by lamp $P_3=50\ W$

Voltage applied $V=120\ V$

If appliances are applied in parallel then Voltage applied is same

Power is given by $P=\frac{V^2}{R}$

Resistance of toaster $R_1=\frac{120^2}{1840}=7.82\ \Omega$

Resistance of electric Fan $R_2=\frac{120^2}{1460}=9.86\ \Omega$

Resistance of toaster $R_3=\frac{120^2}{50}=288\ \Omega$

Current is given by

$I=\frac{V}{R}$

$I_1=\frac{120}{7.82}=15.34\ A$

$I_2=\frac{120}{9.86}=12.17\ A$

$I_3=\frac{120}{288}=0.416\ A$

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3 years ago

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If you kick a tennis ball with 50 N of force and then kick a soccer ball with 50 N of force, explain the difference in their mot

Trava [24]

Answer:

The smaller ball (the tennis ball) will receive a much larger acceleration than the soccer ball of larger mass.

According to Newton's 2nd Law of motion, (force equals mass times the acceleration imparted)

Since in this case we have the same force (50 N) applied to two different masses (one the tennis ball "m" which has smaller mass than the soccer ball of mass "M"), then the resultant accelerations will be different being the acceleration of the tennis ball () much larger than the acceleration imparted to the soccer ball (), as can be seen from solving for the acceleration in the previous equation:

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soldi70 [24.7K]

Limestone, Sandstone, and Shale would be the answer.

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3 years ago

The mechanical advantage of a machine is always greater than 1. true or false

Alja [10]

True mechanical advantage of a machine is always greater than

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