A person stands in an elevator
weighing a Cheeseburger with a
kitchen scale « lit could happent
The mass of the cheese burger at
10 ilsoka The scale reads l-ION
Determine the magnitude ana
Lirecteon of the netforce on the
Cheeseburger

Which describe reflection? check all that apply. light bounces off a boundary.

What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600