Answer:
time=6.25×10⁻³ seconds
or
time=6.25 Milliseconds
Explanation:
Given Data
Ball mass= 0.50 kg
Force = 240 N
Speed =3.0 m/s
To find
Time
Solution
From Newtons second Law of motion
Force=mass×acceleration
As mass and Force is given we need to Find acceleration
So
Acceleration=Force/mass
Acceleration=240/0.50
Acceleration=480 m/s²
When ball was at rest its velocity at that time was 0.Now the final velocity is given as:
Velocity=acceleration×time
As we have find the acceleration and velocity is given so we can find time easily
So
time=velocity/acceleration
time=(3.0m/s)/480 N
time=6.25×10⁻³ seconds
or
time=6.25 Milliseconds
Velocity is a vector quantity. It takes 6.25×10⁻³ seconds, malletin contact with the ball.
Given here,
Ball mass = 0.50 kg
Force = 240 N
Velocity = 3.0 m/s
The formula of the time,
[tex]\bold {t = \dfrac va }[/tex]
Where,
t - time
v - velocity = 0.3 m/s
a - acceleration [tex]\bold { = \dfrac fm = \dfrac {240 }{0.5} = 480\ m/s^2}[/tex]
Put the values in the formula,
[tex]\bold {t = \dfrac { 3}{480}}\\\\\bold {t = 6.25x10^-^3}[/tex]
Therefore, it takes 6.25×10⁻³ seconds, malletin contact with the ball.
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