The gravitational force between the sun (mass = 1.99 × 1030 kg) and mercury (mass = 3.30 × 1023 kg) is 8.99 × 1021 n. how far is mercury from the sun?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.