Question

if a body of mass 500 gm moving with velocity 20 and 50 N force. its velocity after 8 seconds will be​

Answer 1

Answer:

3220 m/s is the answer by using second equation of motion

Answer 2

QUESTION:-

if a body of mass 500 gm moving with velocity 20 and 50 N force. its velocity after 8 seconds will be​

EXPLANATION:-

• Initial velocity(u)= 20 m/s
• Force(f)=50 N
• Time(t)=8 s
• Acceleration(a)=?
• Mass(m)=500 gm=0.5 kg
• Final velocity(v)=?

First let's calculate the acceleration-:

F=ma

50=0.5a

a=50/0.5

a=100 m/s²

Now using  1st equation of kinematics-:

v=u+at

v=20+100×8

v=20+800

v=820 m/s

So the velocity is 820 m/s

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