The diagram above illustrates a velocity-time graph. Determine the distance between X and Y.
A sound of frequency 512 Hz reaches a listener 100 m away. If the sound travels in air at s.t.p., what is its wavelength?
[speed of sound in air = 331 m/s]
A charge of 10 C is transferred across a potential difference of 220 V. Determine the work done.
The ratio of maximum range to maximum height of a projectile is 4. Determine the angle of projection.
The range of wavelengths of the infrared waves in an electromagnetic spectrum is \(10^{-3}\) m to \(10^{-6}\)m. The wavelength of the radiation is