1. a surfer moving with an initial speed of 1.5 m/s catches a wave and accelerates at a constant
rate of 2.1 m/s2 for 2.2 s.
a) how far does the surfer travel in those 2.2 seconds?
b) what's the velocity of the surfer at the end of those 2.2 seconds?

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?