Aball is thrown at an angle of 25 degrees to the horizon. the ball has a horizontal velocity component of 12.5 m/s. find the vertical velocity component of the ball and the magnitude of the actual velocity. how high would the ball travel before it begins to come down again?

Time remainin52: 42the chart shows data for a moving object. which conclusion is best supported by the information inthe chart? time (s)velocity (m/s

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

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