Question

1)A 15.0 kg mass oscillating on a spring with spring constant 6200 N/m has 120 J of energy. What is the amplitude of the oscillation?

A)19.7cm B)1.43m C)96.2cm D)14.3cm E)58.6cm

2)The distance from the Earth to the Sun is called one AU (astronomical unit). An asteroid is 2.50 AU from the Sun. How long does it take the asteroid to go around the Sun?

A)3.95years B)0.737 years C)1.21 years D)15.6 years E)2.17 years

3)The moon has a mass of 7.40 x 10^22 kg and a diameter of 3476 km. How long does it take a spaceship to go in a circular orbit around the moon where the orbit is just slightly above the surface of the moon?

A)1.80 hours B)57.0 minutes C)16.0 minutes D)4.30 hours E)25.0 minutes

PLZ ANSWER AS SOON AS POSSIBLE, I WILL RATE FOR SURE, THANK YOU!

Answer 1

option a are correct in all questions