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Oksi-84 [34.3K]
3 years ago
7

I need help asap pls

Physics
1 answer:
tigry1 [53]3 years ago
6 0

no.9 indeed all matters are made out of atoms which is smaller than protons and neutrons

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A space rocket accelerates uniformly from rest to 160ms^-1 upwards in 4.0s, then travels with a constant speed of 160ms^-1 for t
ivann1987 [24]

Answer:

40 ms¯².

Explanation:

To solve this problem, we shall illustrate the question with a diagram.

The attached photo gives a better understanding of the question.

From the attached photo:

Velocity (v) = 160 ms¯¹

Time (t) = 4 secs.

Acceleration (a) =?

Acceleration (a) = Velocity (v) /time (t)

a = v/t

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Therefore, the initial acceleration of the rocket is 40 ms¯².

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An electron is projected with horizontal speed 105m / s in a downwardly directed 304N / C electric field. Find the vertical posi
Vinil7 [7]

Answer:

-107 m

Explanation:

Sum of forces in the y direction:

∑F = ma

-qE = ma

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v₀ = 0 m/s

a = -53.4×10¹² m/s²

t = 2×10⁻⁶ s

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Δy = v₀ t + ½ at²

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Δy = -107 m

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Los resortes tienen masa, ¿El periodo y la frecuencia reales son mayores que los dados en las ecuaciones para una masa oscilante
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Answer:

me no speek spanish

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Goal posts at the ends of football fields are padded as a safety measure for players who might run into them. How does thick pad
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