Q1. A 2,700-kg satellite is in a circular orbit around a planet. The satellite travels with a constant speed of 6,270 m/s. The radius of the circular orbit is 8.72 × 10^6 m. What is the acceleration of satellite?
Q2. A 126-cm-long, 6.00 string oscillates in its n = 3 mode with a frequency of 170 Hz and a maximum amplitude of 4.50mm
what is the wavelength in the string?
What is the tension in the string?