In the formula vy = ayt, what is the value of ay for an object in projectile motion?
2 answers:
Answer : The correct option is (A)
Explanation :
The formula is given as :
Where,
is vertical component of velocity.
is the vertical component of acceleration.
In a projectile motion, the particle moves in a path under the influence of gravity.
So, the vertical component of acceleration is -g i.e acceleration due to gravity.
Hence, the correct option is (a) " ".
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Answer:
Vc = 2.41 v
Explanation:
voltage (v) = 16 v
find the voltage between the ends of the copper rods .
applying the voltage divider theorem
Vc = V x ()
where
- Rc = resistance of copper =
(l = length , a = area, ρ = resistivity of copper)
- Ri = resistance of iron =
(l = length , a = area, ρ₀ = resistivity of copper)
Vc = V x ()
Vc = V x ()
Vc = V x ()
where
- ρ = resistivity of copper = 1.72 x 10^{-8} ohm.meter
- ρ₀ = resistivity of iron = 9.71 x 10^{-8} ohm.meter
Vc = 16 x ()
Vc = 2.41 v