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Mrac [35]
3 years ago
14

A light bulb has a resistance of 360 . What is the current in the bulb when it has a potential difference of 120 V across it? 0.

33 A 3 A 480 A 43,200 A
Physics
2 answers:
kap26 [50]3 years ago
7 0

Answer:

A.)0.33 A

Explanation:

i just took the quiz 2021

s2008m [1.1K]3 years ago
3 0

Answer:

I=R×V

360×120 V

=43,200 A

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If the shopping cart is parallel to the ground, the weight is acting vertically downward, then force is equal to weight. The normal force will be acting perpendicular to the ground,and acting upward opposite of the weight.
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High-speed stroboscopic photographs show that the head of a 180 g golf club is traveling at 47 m/s just before it strikes a 46 g
inn [45]

Answer:

47 m/s

Explanation:

golf club mass, mc = 180 g

golf ball mass, mb = 46 g

initial golf club speed, vc1 = 47 m/s

final golf club speed, vc2 = 35 m/s

initial golf ball speed, vb1 = 0 m/s

final golf ball speed, vb2 = ? m/s

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mc*vc1 + mb*vb1 = mc*vc2 + mb*vb2

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3 years ago
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A 1500 kg car, initially traveling at 22.0 m/s, hits its brakes and skids to a stop. Determine the work done by friction.
Sedbober [7]

Answer:

<em>The work done by the car is 363 kJ</em>

Explanation:

Work : Work is said to be done when a Force moves an object through a certain distance. Work and Energy are interchangeable because they have the same unit. The unit of work is Joules (J).

Mathematically work done can be expressed as,

E = W = 1/2mv²

W =  1/2mv²................................ Equation 1

Where E = Energy, W = work done, m = mass of the car, v = velocity of the car

<em>Given: m=1500 kg, v=22 m/s</em>

<em>Substituting these values into equation 1</em>

<em>W = 1/2(1500)(22)²</em>

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Answer:

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The example can be

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