A particle moves in the 
-
plane under the action of a force 
such that the value of its linear momentum 
at any time 
is 
cos 
The angel 
between 
and 
at a given time 
will be
a)
b)
0
c)
180
d)
30
A particle moves in the - plane under the action of a force such that the value of its linear momentum at any time is cos
The angel between and at a given time will be
a)
b)
0
c)
180
d)
30
Question ID - 53393 | SaraNextGen Top Answer
A particle moves in the - plane under the action of a force such that the value of its linear momentum at any time is cos
The angel between and at a given time will be
a)
b)
0
c)
180
d)
30
|
A particle moves in the The angel |
||||||||
|
a) |
|
b) |
0 |
c) |
180 |
d) |
30 |
|
1 Answer
127 votes
Answer Key / Explanation : (a) -
|
(a)
If
Since kinetic energy does not change with time, both work done and power are zero Now Power = As
Or As direction of |
be the mass of the body, then kinetic energy
is same that 
hence angle between 
and 
is equal to 
127 votes
Answer Link
127