Please hel Your lab partner is sending waves through a slinky at a particular frequency. Your partner then changes the frequency by a factor of ½. The wave velocity (or speed) will…

A} change by a factor of sqrt(2)

B) change by a factor of 2

C) change by a factor of sqrt(1/2)

D) change by a factor of 1/2

E) Stays the same

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

(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.

12. a body is a particular amount of matter. it can be a solid, liquid or gas. it can be described as existing in a. size and shape. b. motion and force c. time and space. d. location and movement.