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wariber [46]
2 years ago
15

A current of 1.3 A passes through a lamp with a resistance of 5 Ohms. What is the power supplied to the lamp in Watts

Physics
1 answer:
Crank2 years ago
4 0

Answer:

8.45 w

Explanation:

Power = i^2 r

            1.3 ^2 * 5 = 8.45 watts

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What happened to a apple's weigh as the plane rose up toward the sky?
uysha [10]

Okay, I don't know if this question is supposed to be a trick question or not. The weight of the apple does not change as the plane travels up the atmosphere, but the MASS changes. Weight doesn't change no matter what environment you're in, but the mass changes in different environments. In this case, the weight is constant but the mass is decreasing as you go higher up.
5 0
3 years ago
What will be the effect on the loudness of sound if the amptitude is doubled and halved?
kap26 [50]
<em>remember that
<u>loudness is directly proportional to the square of amplitude...
</u>
so when amplitude is doubled ,,loudness increases four times..
when it is halved ,,,loudness is halved,,,</em>
4 0
3 years ago
A quarterback throws a football with an angle of elevation 55° and speed 60 ft/s. Find the horizontal and vertical components o
EastWind [94]

Answer:

The horizontal component of the velocity vector is;

vh = 34.4 ft/s

The vertical component of the velocity vector is;

vy = 49.1 ft/s

Explanation:

Given;

Velocity of football v = 60 ft/s

Angle of elevation ∅ = 55°

The horizontal component of the velocity vector is;

vh = vcos∅

Substituting the values;

vh = 60cos55°

vh = 34.41458618106 ft/s

vh = 34.4 ft/s

The vertical component of the velocity vector is;

vy = vsin∅

Substituting the values;

vy = 60sin55°

vy = 49.14912265733 ft/s

vy = 49.1 ft/s

7 0
3 years ago
The diagram shows two sets of vectors that result in a single vector. Four vectors added using the tip to tail method. The first
sesenic [268]

Answer:

find the sum of the two horizontal vectors and the sum of the two vertical vectors

Explanation:

made the most sense. you can beat me up if its wrong :D

8 0
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Which of the following quantities is NOT a vector?
OverLord2011 [107]
Kinetic energy is not a vector. This is because it is not a directed quantity. The other 3 have a sense of direction.
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3 years ago
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