The pogo stick has a spring with spring constant 2.0×104n/m. when the child makes a nice big bounce, he finds that at the bottom of the bounce he is accelerating upwards at 9.8 m/s2 . how much is the spring compressed?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.