Question 4 of 10 A spacecraft has a momentum of 20,000 kg. m/s up, and a mass of 500 kg.
What is its velocity?
A. 400 m/s
B. 1000 m/s
C. 10,000,000 m/s
D. 40 m/s

Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Use vsepr theory to predict the molecular geometry of the molecule hcn.