<h2>Answer:</h2>
<u>The height of bridge is 14.4 m</u>
<h2>Explanation:</h2>
According to third equation of motion
2aS = Vf² - Vi²
Here a = g = 9.8 m.s²
Vf = 0
Vi = 16.8 m/s
So putting the values
2aS = Vf² - Vi²
2 (9.8) (S) = 0 - (16.8)²
19.6 S = 282.24
S = 282.24 / 19.6
S = 14.4 m
Answer:
f=15.5 Hz
Explanation:
Let's determine the internal resistance:

ρ = 1.68*10^-8 Ω m


Ω
Since the bulb is rated at 12.0 V and 25.0 W,
Current

Therefore, voltage drop inside generator =

Actual EMF required is

Note that this is an RMS value.
The peak voltage is

For a generator, by Faraday's Law,

*ω
ω
f=ω/(2π)=
f=144.5 rad/s/(2π)
f=23.001 Hz
Heliocentric model is the name of the model that shows that earth orbits the sun
Answer:
C
Explanation:
The Position Versus Time Graph Of This Object Is A Parabolic Curve.
Answer:
The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.
Explanation:
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