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3 years ago

According to Ohm's law, determine the experimental

Physics

1 answer:

Alex3 years ago

5 0

Explanation:

using Ohm's law which is defined as V=IR

where V is the voltage, I is the current and R the resistance

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A 108 kg clock initially at rest on a horizontal floor requires a 639 N horizontal force to set it in motion. After the clock is

labwork [276]

Answer:

$\mu_s=0.60$

Explanation:

It is given that,

Mass of the clock, m = 108 kg

Force acting on it when it is in motion, $F=639\ N$

After the clock is in motion, a horizontal force of 521 N keeps it moving with a constant velocity, F' = 521 N

It is assumed to find the coefficient of between the clock and the floor. The force of friction is given by :

$F=\mu_smg$

$\mu_s=\dfrac{F}{mg}$

$\mu_s=\dfrac{639\ N}{108\ kg\times 9.8\ m/s^2}$

$\mu_s=0.60$

So, the coefficient of static friction between the clock and the floor is 0.6. Hence, this is the required solution.

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3 years ago

A particle of charge of +3.40 ✕ 10−6 C is 17.5 cm distant from a second particle of charge of −2.00 ✕ 10−6 C. Calculate the magn

Karolina [17]

Answer:

0.47 N

Explanation:

q1 = 3.4 x 10^-6 C

q2 = 2 x 10^-6 C

d = 17.5 cm = 0.175 m

The electrostatic force is given by

$F=\frac{Kq_{1}q_{2}}{d^{2}}$

$F=\frac{9\times10^{9}\times3.4\times 10^{-6}\times 2\times 10^{-6}}{0.175\times 0.175}$

F = 0.47 N

Thus, the force is 0.47 N.

5 0

3 years ago

A 190 lb man riding a 30 lb bicycle rides up a hill 60 ft high in one minute. What is the horsepower developed during this time?

Semmy [17]

The answer is c

Explanation:

4 0

3 years ago

Which option is an example of chemical energy being transformed into

kicyunya [14]

D
Rocket engine igniting is chemical energy when he in turn makes it launch and move which is kinetic energy

3 0

3 years ago

The 3670-lb car is traveling at 25 mi/hr when the driver applies the brakes, and the car continues to move along the circular pa

Monica [59]

Answer:

$a_t = -14.37407175$

Explanation:

I was unable to submit this answer after typing it, so i create a document file that clearly shows and depicts all explanations for the question. OR

You can check the three picture slides i attached as well for the explanation.

The attached file for the document and the picture can be found below.

Download docx

5 0

3 years ago