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LenaWriter [7]
2 years ago
15

Determine the acceleration of the box of mass 140 kg, when a net force of 900 N acts on it.​

Physics
1 answer:
Georgia [21]2 years ago
8 0

Answer:

a = 6.4 m/s²

Explanation:

a = F/m = 900 / 140 = 6.428571... m/s²

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One normal afternoon in undisclosed City X, the chocolate factory workers overload the Easter egg machine. A group of angsty tee
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Answer:

The correct option is;

C. 1,715 m

Explanation:

We are given the information from the group of teen at the City edge

Time of arrival of explosion sound = 5 s after sighting

Time of sighting explosion = 5 s before hearing the boom

Speed of sound in air ≈ 343 m/s

Speed of light = 299,792 km/s

Therefore, distance covered by sound in 5 seconds is given by the following equation;

Speed = \frac{Distance}{Time}

\therefore 343 \ m/s= \frac{Distance}{5 \, s}

Hence Distance = 343 m/s × 5 s = 1715 m

To check, we compare the time it would take for the light to cover 1715 m

That is Time = \frac{Distance}{Speed} =  \frac{1715}{299,792,000} = 0.00000572 \, s which is instantaneous hence the distance can be approximated by the time duration for the speed of sound.

Therefore, the distance of the students from the factory is approximately 1,715 m

8 0
3 years ago
1. ________________electricity is the type of electricity commonly used in homes and businesses throughout the world.
amid [387]
Number 1 is letter A
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3 years ago
Can you list the offensive position on a flag football team?
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Answer:

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Explanation:

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2 years ago
3) A tolley of mass 4kg, moving with a velocity
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Answer:

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Explanation:

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v3=q3/m3=25/(4+3)=3.57m/s

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