Question 1

Which of the following quantities is a vector?

Accepted Answer

Displacement between your home and school

Question 2

A car travels at a constant speed of $22\ \mathrm{m/s}$. What is its speed in $\mathrm{km/h}$?

Accepted Answer

$79.2\ \mathrm{km/h}$

Question 3

Which statement about scalars and vectors is TRUE?

Accepted Answer

Vectors can be added using the Pythagorean theorem if they are perpendicular.

Question 4

A student walks $6\ \mathrm{m}$ North, $12\ \mathrm{m}$ South, $4\ \mathrm{m}$ West, and $2\ \mathrm{m}$ East. What is the magnitude of the total displacement?

Accepted Answer

$10.77\ \mathrm{m}$

Question 5

A jack-o-lantern is dropped from a height of $12.5\ \mathrm{m}$. Neglecting air resistance, how long does it take to hit the ground? ($g = 9.8\ \mathrm{m/s^2}$)

Accepted Answer

$1.60\ \mathrm{s}$

Question 6

A roller coaster car starts from rest and reaches $4\ \mathrm{m/s}$ at the bottom of a slope in $8\ \mathrm{s}$. What is its acceleration?

Accepted Answer

$0.25\ \mathrm{m/s^2}$

Question 7

A baseball player sprints at $7.6\ \mathrm{m/s}$ for $1.2\ \mathrm{s}$ to steal a base. What is the displacement?

Accepted Answer

$9.12\ \mathrm{m}$

Question 8

A vase is thrown vertically upwards with an initial velocity of $26.2\ \mathrm{m/s}$. What is the maximum height reached above the initial position? ($g = 9.8\ \mathrm{m/s^2}$)

Accepted Answer

$70.0\ \mathrm{m}$

Question 9

George walks $750\ \mathrm{m}$ East and then $900\ \mathrm{m}$ South. What is his resultant displacement?

Accepted Answer

$1175\ \mathrm{m}$

Question 10

A car travels $65\ \mathrm{miles/hour}$ for $30\ \mathrm{minutes}$, stops for $15\ \mathrm{minutes}$, then travels $45\ \mathrm{miles/hour}$ for $3600\ \mathrm{seconds}$. What is the total distance traveled in meters?

Accepted Answer

$56,700\ \mathrm{m}$

Question 11

Which scenario describes a situation where distance is nonzero but displacement is zero?

Accepted Answer

A runner jogs around a circular track and finishes at the starting point.

Question 12

If a car's speedometer reads a constant $65\ \mathrm{mph}$, which statement is correct?

Accepted Answer

The car's speed is constant, but its velocity may change if direction changes.

Question 13

A bucket is dropped from a cliff and lands $119.5\ \mathrm{m}$ away horizontally. If the cliff is $50\ \mathrm{m}$ high, what is the time taken to hit the ground? ($g = 9.8\ \mathrm{m/s^2}$)

Accepted Answer

$3.19\ \mathrm{s}$

Question 14

On a velocity-time graph, during which interval is the cart at rest?

Accepted Answer

Interval DE

Question 15

A car accelerates from $0$ to $22\ \mathrm{m/s}$ in $11\ \mathrm{s}$. What is its acceleration?

Accepted Answer

$2.0\ \mathrm{m/s^2}$

Question 16

Which of the following is NOT a correct method for adding vectors?

Accepted Answer

Adding magnitudes directly regardless of direction

Question 17

A car travels $100\ \mathrm{km}$ north and then $100\ \mathrm{km}$ south. What is the displacement?

Accepted Answer

$0\ \mathrm{km}$

Question 18

A student walks $8\ \mathrm{m}$ North, $12\ \mathrm{m}$ South, $15\ \mathrm{m}$ West, and $2\ \mathrm{m}$ East. What is the magnitude of the total displacement?

Accepted Answer

$15.3\ \mathrm{m}$

Question 19

A car travels at $53\ \mathrm{mph}$. What is its speed in $\mathrm{m/s}$? ($1\ \mathrm{mile} = 1609\ \mathrm{m}$)

Accepted Answer

$23.7\ \mathrm{m/s}$

Kinematics and Motion: Scalars, Vectors, and Displacement Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards