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Hitman42 [59]
2 years ago
6

A runner is at rest at the starting line of a race. She accelerates at 3.3m/s/s. What is her position after 7.5s? Round your ans

wer to the nearest tenth of a meter.
Physics
1 answer:
natulia [17]2 years ago
3 0

Answer:

sorry ‍♂️I don't know the answer

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A car travels initially at 24 m/s, until it enters the highway. If the car accelerates at 4 m/s^2 for a 96 meters, what is the c
marishachu [46]
  • initial velocity=u=24m/s
  • Acceleration=a=4m/s^2
  • Distance=s=96m
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Using 3rd equation of kinematics

\boxed{\Large{\sf v^2-u^2=2as}}

\\ \Large\sf\longmapsto v^2=u^2+2as

\\ \Large\sf\longmapsto v^2=24^2+2(4)(96)

\\ \Large\sf\longmapsto v^2=576+768

\\ \Large\sf\longmapsto v^2=1344

\\ \Large\sf\longmapsto v=\sqrt{1344}

\\ \Large\sf\longmapsto v=36.6m/s

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3 years ago
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NISA [10]

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the Arrow X shows the direction of amplitude

Explanation:

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2 years ago
A radiometer can be used to determine the position of an approaching hot object by measuring the amount of irradiation it detect
forsale [732]

Answer:

The Position of the object L = 0.172 m

Explanation:

The detailed explanation of the question is given in the attach document.

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3 years ago
What is the magnitude of the centripetal force that must be applied in order for a 2kg ball on a 2.0 m string to spin with unifo
NeTakaya

The ball needs to accelerate with a magnitude <em>a</em> (pointed towards the center of the circle) of

<em>a</em> = (5.0 m/s)² / (2.0 m) = 12.5 m/s²

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3 years ago
Read 2 more answers
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