3 years ago

What is the S.I unit of voltage ?

Physics

1 answer:

fiasKO [112]3 years ago

3 0

Answer:

Explanation:

The S. I unit for voltage is v due to the fact that it's volts.

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consider a charge of -15.0 mCmoving to the right a 2.00x10^6 m/s in a mganetic field of .0300 T pointing upwards. What is the ma

77julia77 [94]

Answer:

a = 1.13×10^-8 m/s²

Explanation:

$f = ma = qvb \\ a = \frac{qvb}{m}$

q = 15×10^-3 C

v = 2×10^6 m/s

B = 0.03 T

m = 8.00 x10^10 kg

a = 900/8 x10^10

a = 1.13×10^-8 m/s²

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3 years ago

From the above diagram, which phase of the Moon will result in the greatest difference between high and low tide? A. New Moon B.

aliya0001 [1]

New moon, because the New Moon (A) because the sun and the moon work together most when it is there on the tides

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3 years ago

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What is the kinetic energy of a 620.0 kg roller coaster moving with a velocity of 9.00 m/s? Round to 3 significant figures.

oee [108]

Im pretty sure it’s 25,100 J because i had seen the same question a few times with this answer, hope it helps!

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3 years ago

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An 0.80-m aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Just before the ba

Dimas [21]

Answer:

a) $B=2.9891\times 10^{-5}\,T$

b) west end of the bar is positive.

Explanation:

Given:

emf induced in the bar, $\epsilon=5.5\times 10^{-4}\,V$

length of the bar, $l=0.8\,m$

velocity of the bar at the given instant, $v=23\,m.s^{-1}$

(a)

The magnitude of the horizontal component of the Earth's magnetic field(B):

We know:

$\epsilon=B.l.v$

$5.5\times 10^{-4}=B\times 0.8\times 23$

$B=2.9891\times 10^{-5}\,T$

(b)

Using Fleming's left hand rule we determine that the current is flowing towards east end of the bar i.e. west end of the bar is positive.

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3 years ago

A basketball player is running at 5.00 m/s directly toward the basket when he jumps into the air to dunk the ball. He maintains

makkiz [27]

Answer:

3.834 m/s

Explanation:

h = 0.750 m

vx = 5 m/s

Let the initial vertical velocity is vy.

Final vertical velocity is zero

use third equation of motion along y axis

v^2 = vy^2 - 2 x g x h

0 = vy^2 - 2 x 9.8 x 0.75

vy^2 = 14.7

vy = 3.834 m/s

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4 years ago