1. Vector A points at 294 degrees. What is the direction of vector -A. give your answer as a positive whole number.

2. Vector A has a magnitude of 13 N and a direction of 142 degrees. Calculate its x-component. Be sure to state the sign if it is negative. Give your answer to one decimal place.

3. For an object in projectile motion, the value of is ___________

zero

unknown

-9.8

4. When an object in projectile motion passes the edge of a table on the way up and later passes the same height on the way down. Select the most correct description of the motion on the way up and on the way down at the height of the table.

the velocities are the same

the speeds are the same

the speed on the way up is less than the speed on the way down

the speed on the way up is greater than the speed on the way down

5. For any object in projectile motion, select all statements that are true for the object at the top of its path.

the horizontal component of velocity is zero

the vertical component of velocity is zero

none of the other statements are true

the vertical component of acceleration is zero

the horizontal component of acceleration is zero