A cone in an unstable equilibrium has its potential energ...
A cone in an unstable equilibrium has its potential energy
decreased
increased
unchanged
oscillating
Correct answer is B
No explanation has been provided for this answer.
On a stationary sail boat, air is blown from a fan attached to the boat. The boat ...
A ball of mass 5.0kg hits a smooth vertical wall normally with a speed of 2ms−1. Determine th...
Which of the following statements about X-rays is not correct? They ...
A cell of internal resistance 0.01Ω can be measured accurately using the ...