Unit Test — Unit test Answers
25 verified answers1 views
21
Free Preview
A centripetal force causes circular motion because it accelerates an object
A
toward the center of a circle, which changes the direction of motion but not the speed.B
toward the center of a circle, which changes the speed of motion but not the direction.C
along the edge of a circle, which changes the direction of motion but not the speed.D
along the edge of a circle, which changes the speed of motion but not the direction.22
Free Preview
Projectile motion is a combination of which two types of motion?
A
parabolic and curvedB
straight and diagonalC
horizontal and verticalD
constant and linear23
Sung rolls a marble off the edge of a table. She rolls the marble off the same table again but at a different speed.
A
The marble’s horizontal and vertical velocities change.B
The marble’s horizontal and vertical velocities remain the same.C
The marble’s vertical velocity changes, but its horizontal velocity does not.D
The marble’s horizontal velocity changes, but its vertical velocity does not.24
In a uniform circular motion map, what is always true? Check all that apply.The dots are different distances apart.Acceleration vectors point in the direction of motion.Velocity vectors are always perpendicular to the circle.Acceleration vectors point toward the center of the circle.Velocity vectors are the same length.
A
The dots are different distances apart.B
Acceleration vectors point in the direction of motion.C
Velocity vectors are always perpendicular to the circle.D
Acceleration vectors point toward the center of the circle.E
Velocity vectors are the same length.
Did you find these answers helpful?
Verified answers available
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this