State three observable phenomena in which waves behave like a particle.
See more
2019
(a) The diagram above illustrates a projectile motion. Identify each of the physical quantities labeled P, β, H and R.(b) Write an equation to show the relationship between P, g and Rmax where g is the acceleration due t…
See more
2019
A stone of mass 20g is released from a catapult whose rubber is stretched through 5cm. If the force constant of the rubber is 200Nm\(^{-1}\), calculate the speed with which the stone leaves the catapult.