Which wave form oscillates both parallel and perpendicular to the direction of the wave motion? transverse waves, longitudinal waves, circular waves


The period of a mechanical wave is 2 seconds. What is the frequency of the wave?

20 waves/second
5 waves/second
2 waves/second
0.5 waves/second


The object distance for a convex lens is 15.0 cm, and the image distance is 5.0 cm. The height of the object is 9.0 cm. What is the height of the image?

3.0 cm
8.3 cm
27 cm
45 cm

A- a of 8.00 cm a of 34.0 nc. a , -, a of 25.0 nc is on of a of 15.0 cm .be toto aof ? a) b) c) j d) e)

In science and physics what is the standard unit of measure for speed?

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.