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Romashka [77]
2 years ago
15

Body composition refers to:

Physics
1 answer:
NISA [10]2 years ago
3 0
Bone, fat and muscle
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The peak value of an alternating current in a 1500-W device is 6.4 A. What is the rms voltage across it
horrorfan [7]

Answer:

6787.5 V

Explanation:

From the question,

P = IV..................... Equation 1

Where P = Power, I = rms current, V = rms voltage.

make V the subject of the equation

V = P/I................. Equation 2

Given: P = 1500 W, I = 6.4/√2 = 4.525 A

Substitute these values into equation 2

V = 1500(4.525)

V = 6787.5 V

Hence the rms voltage = 6787.5 V

7 0
3 years ago
Question 3 of 10
Mazyrski [523]

Answer:

B . energy cannot be created or destroyed

3 0
2 years ago
A particle is moving with SHM of period pie . initially it is 10 cm from The center of the motion and moving in the positive dir
Viefleur [7K]

Answer:

y = 10.44cos(2t - 0.291) cm

Explanation:

y = Acos(2πt/T + φ) = Acos(2πt/π + φ) = Acos(2t + φ)

v = y' = -2Αsin(2t + φ)

10 = Acos(2(0) + φ) = Acosφ

6 = -2Αsin(2(0) + φ) = -2Asinφ

6/10 = -2Asinφ/Acosφ = -2tanφ

tanφ = -0.3

φ = -0.291 radians

10 = Acos(-0.291)

A = 10/cos(-0.291) = 10.44

7 0
3 years ago
The picture below shows a football player kicking a football. This is known as two dimensional motion. In which direction does t
Molodets [167]

You are true, Stokey.  The correct choice is<em> (c)</em>.

If you think about it a little bit more, you'll realize that "side to side" is also a horizontal motion.  

Anyway, the question told us that we're only talking about 2 dimensions.  Well, the The measurements in the 2 dimensions are the x and the y .  If there were a z measurement, that would be the 3rd dimension.

7 0
3 years ago
I need help with the question 8B
ratelena [41]
The answer of this is C
3 0
3 years ago
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