A particle, initially at rest on a frictionless horizontal surface, is acted upon by a horizontal force which is constant in size and direction. A graph is plotted between the work done ( a) |
A particle, initially at rest on a frictionless horizontal surface, is acted upon by a horizontal force which is constant in size and direction. A graph is plotted between the work done ( a) |
(d) Work done = change in kinetic energy
|
The difference of two numbers is 8 and their sum is 20, then find the difference of their squares |
|||||||
a) |
160 |
b) |
140 |
c) |
130 |
d) |
150 |
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