a 5kg mass is hung from the end of a coil spring . If the system is made to vibrate without SHM of period 2sec, find the energy of the motion if the amplitude of vibration is 3cm

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?

Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the

Does the asteroid belt revolve around the sun?