A cone is in unstable equilibrium, has its potential ener...
A cone is in unstable equilibrium, has its potential energy
decreased
increased
unchanged
oscillating
Correct answer is B
In unstable equilibrium, potential energy decreases as the height decreases
The strength of an electromagnet increases with ...
Heat transfer by conduction is similar to wave motion because ...
Which of the following pairs of rays shows the widest separation in the spectrum of white light? ...
Which of the following statements explains lost volt in an electric circuit? The ...
Which of the following have the longest wavelengths? ...
Heat is radiated by hot objects in the form? ...
The energy E of a photon and it's wavelength are related by Eλ = X. the numerical value of X is? ...