Physics
10.04.2021 13:00
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The scale on the horizontal axis is 9 s per division and on the vertical axis 9

The scale on the horizontal axis is 9 s per division and on the vertical axis 9 m per divi-

sion

position (x 9 m)

3+

1

+ + 1 1

0 1 2 3 4 5 6 7 8 9

time (x 9 s)

What is the time represented by the third

tic mark on the horizontal axis?

Answer in units of s.
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narutoxptheninja
narutoxptheninja
4,4(20 marks)

F=48.62N

Explanation:

From the question we are told that:

Angle \theta= 20

Mass m= 20kg

Coefficient of kinetic friction \mu=0.1

Generally the equation for Force Required to jeep sled moving is mathematically given by

 F= mg sin \theta - \mu N

Where N is normal force

 F_N=Wcos\theta

 F_N=20*9.8*cos 20

 F_N=184.18N

Therefore

 F= (20*9.8) sin 20 - (0.1) (184.18)

 F=48.62N

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