2. what is the amplitude and wavelength of the wave shown below?
y (m)
20
401
80
109 1120
140
180
180
x (crn)
200
o a amplitude: 30 cm, wavelength: 60 cm
b amplitude 30 cm, wavelength 110 cm
c amplitude 60 cm, wavelength 60 cm
d. amplitude 60 cm, wavelength 110 cm

Aforce of 34.5 newtons is applied to an object at an angle of 45 º with the horizontal. what is the force acting on the object in the horizontal direction?

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

A6.0-kilogram cart initially traveling at 4.0 meters per second east accelerates uniformly at 0.50 meter per second squared east for 3.0 seconds. what is the speed of the cart at the end of this 3.0 second interval? (1) 1.5 m/s (3) 3.0 m/s (2) 5.5 m/s (4) 7.0 m/s