A particle is acted upon by a force 
which varies with position 
as shown in figure. If the particle at 
has kinetic energy of 25 J, then the kinetic energy of the particle at 
is
.png)
a)
45 J
b)
30 J
c)
70 J
d)
135J
which varies with position as shown in figure. If the particle at has kinetic energy of 25 J, then the kinetic energy of the particle at isa)
45 J
b)
30 J
c)
70 J
d)
135J
Question ID - 50993 | SaraNextGen Top Answer A particle is acted upon by a force which varies with position as shown in figure. If the particle at has kinetic energy of 25 J, then the kinetic energy of the particle at is
a)
45 J
b)
30 J
c)
70 J
d)
135J
A particle is acted upon by a force which varies with position as shown in figure. If the particle at has kinetic energy of 25 J, then the kinetic energy of the particle at is
|
a) |
45 J |
b) |
30 J |
c) |
70 J |
d) |
135J |
1 Answer
127 votes
Answer Key / Explanation : (a) -
|
(a) Work done=area between the graph force displacement curve and displacement
According to work energy theorem
=20+25 =45J |
127 votes
Answer Link
127