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kodGreya [7K]
2 years ago
7

A body accelerate uniformly from rest at 2m/s square.Calculate its velocity after traveling 9m

Physics
1 answer:
Thepotemich [5.8K]2 years ago
5 0
The correct answer for this question is 6m/s. I hope this helps.
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3 years ago
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On the way to school, the bus speeds up from 20 m/s to 36 m/s in 4 seconds. What distance
Tresset [83]
Answer B. 112 m



Step-by-Step Explanation

initial velocity u = 20 m /s
final velocity v = 36 m /s
time taken t = 4 s
acceleration = (v - U) / t
= (36 - 20) / 4
a=4m/s2
from the formula
7-u2=2as , sis distance covered
putting the values
362-202=2×4×s
1296 - 400 = 8 x S
S= 112 m
4 0
2 years ago
A proud new Jaguar owner drives her car at a speed of 25 m/s into a corner. The coefficients of friction between the road and th
ehidna [41]

Answer:

ac = 3.92 m/s²

Explanation:

In this case the frictional force must balance the centripetal force for the car not to skid. Therefore,

Frictional Force = Centripetal Force

where,

Frictional Force = μ(Normal Force) = μ(weight) = μmg

Centripetal Force = (m)(ac)

Therefore,

μmg = (m)(ac)

ac = μg

where,

ac = magnitude of centripetal acceleration of car = ?

μ = coefficient of friction of tires (kinetic) = 0.4

g = 9.8 m/s²

Therefore,

ac = (0.4)(9.8 m/s²)

<u>ac = 3.92 m/s²</u>

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3 years ago
Today’s scientist must search through scientific journals before performing an experiment with making methodical observations wh
Natalija [7]

Answer:

in the lab

Explanation:

cause that is where scientist spend their time doing research ...

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3 years ago
How do i solve?<br><br>a = bc<br>(b)​
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I don’t even know I’m so dumb.
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3 years ago
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