An air-track glider attached to a spring oscillates between the 10 and 60 cm marks on a meter stick and completes 20 oscillations in 33 seconds. what is the:
a. Period, frequency, angular velocity
b. Amplitude, total energy. maximum speed
c. If the total energy is doubled, how does this affect the amplitude
d. If the total enegy is doubled, how does this affect the maximum velocity