A particle moves in the xy-plane under the action of a force such that the value of its linear momentum at any time is Px = 2 cos t,Py = 2 sin t. The angle between and at time t is (A)0o (B)180o (C)90o (D)30o
Amit Saxena , 11 Years ago
Grade upto college level
3 Answers
Amit Saxena
Last Activity: 11 Years ago
gyan prakash
Last Activity: 11 Years ago
P=√Px2+Py2 =√(2cost)2+(2sint)2 =2 which is a constant means the angle betn them is 90ο.
Shivam
Last Activity: 7 Years ago
I didn`t understood that how is momentum constant and if it is so how angle is 90 degree.
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