Physics Exam 1

A

range equation

$R=v^2\sin2\theta$ /g

B

B

B

A

B

C

C

A

B

True

False

C

D

E

B

A

B (Can’t add a number to a vector)

The distance traveled is always greater or equal to the magnitude of the displacement vector

True

a ball is fired from a canon straight upward with an initial velocity, v0. Assume no air resistance. If the initial velocity is doubled, the time it takes to reach max height doubles.

False

According to Newton’s third law, for a book at rest on a table, the normal force on the book will equal its weight.

False

D

B

B

C

B

B

C

B

2, 1 = 4, 3

D

B

(a) A, (b) B

A vector where an object is with respect to an origin.

Position

A scalar which is always positive. It is the length of the vector.

Magnitude

C

A

A

B

C

B