1
A force F=8N makes an angle of 45ᵒ with the horizontal. The X and Y component of the force are
2
Salim walk six miles in a straight line in a direction north of east, and he end up two miles east and several miles north. How many degrees north of east have Salim walked
3
The dot product of the two vector is:

Select one:
a. Vector
b. Can be a vector or a scalar
c. Scalar
d. None
4

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=