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Sindrei [870]
3 years ago
9

On the moon the acceleration due to gravity is only 1.6 m/s2 if someone on earth can throw a baseball 24.2 m high how high could

she throw it on the moon
Physics
1 answer:
natulia [17]3 years ago
7 0

Answer:

148 m

Explanation:

On Earth, where g = 9.8 m/s²:

v² = v₀² + 2aΔy

(0 m/s)² = v₀² + 2 (-9.8 m/s²) (24.2 m)

v₀ = 21.8 m/s

On the Moon, where g = 1.6 m/s²:

v² = v₀² + 2aΔy

(0 m/s)² = (21.8 m/s)² + 2 (-1.6 m/s²) Δy

Δy = 148 m

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Answer:

1.35 A

Explanation:

Applying,

V = IR

I = V/R..................... Equation 1

I = Current, V = Voltage, R = Resistance.

But,

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Where L = Length of the wire, ρ = resistivity, A = Cross-sectional area of the wire.

Sustitute equation 2 into equation 1

V = AV/Lρ............... Equation 3

From the question,

Given: V = 0.7 V, A = 0.290 mm² = 2.9×10⁻⁷ m², L = 1.5 m, ρ = 10×10⁻⁸ Ω.m

Substitute these values into equation 3

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I = 1.35 A

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