Acceleration is defined as the CHANGE in

velocity divided by the time interval

time it takes for one place to move to another place.

distance divided by the time interval

In each of the following cases, determine where the car has no acceleration ?

A car with the cruise control set at 80 km/h

A car shortly after a stoplight turns green.

A car turning a curve at a constant speed

What is the mass of an object that accelerates at 6 m/s² when a force of 36 N is applied? $$M=\ \frac{f}{a}$$

$$M\ =\ \frac{36\ N}{8\ \frac{m}{S^2}}\ =\ 4.5\ kg\ $$ M = 4.5 kg

$$\frac{30}{5}=6\ \frac{m}{s2}$$ m = 6

Physical Science 9th Grade

Authored by Joan Cerise

Science

9th Grade

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In this equation a stands for? $a\ =\ \frac{V_{f\ }-\ V_1}{t\ }$

animals

accuracy

acceleration

apples

$a\ =\frac{V_{f\ }-\ V_I}{t\ }$ In this equation 't' stands for ?

train

time

total

tooth fairy

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$a=\frac{V_{f\ }-V_I}{t}$ In this equation, V stands for?

Velocity

Voltage

Victory

Virtue

Use this equation to solve for accelleration:
A car accelerates from $20\ \frac{m}{s}\ to\ 40\ \frac{m}{s}\ in\ 10\ \sec onds.\ What\ is\ its\ acceleration\$
$a\ =\ \frac{V_{f\ }-\ V_{l\ }}{t}$

$a\ =\ \frac{40-20}{10}\ \ \ =\ \frac{20}{10}\ =\ 2\ \frac{m}{s2}$ a = 2

a = 10

a = 20

a = 100

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5.A car traveling at 20 m/s accelerates at 4 m/s² for 5 seconds. What is its final velocity?
$Vf\ =\ \left(5\ \times\ 10\right)\ \ +30$

Vf = 40 m/s

$Vf\ =\ 30\ \frac{m}{s}$

$Vf\ =\ 100\ \frac{m}{s}$

$Vf\ =\ 80\ \frac{m}{s}$

Seconds and minutes refer to ?

Extinction

Movement

Time

Velocity

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Soccer ball A goes 15 feet in 3 seconds, and Ball B goes 12 feet in 2 seconds. Which ball moved the fastest?

Soccer Ball A

Soccer Ball B

Their speeds are equal.

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a car accelerates from 0 to 60 km/h in 5 seconds, what is its acceleration?

12 km/h $^2$

12 m/s $^2$

3 km/h $^2$

3 m/s $^2$

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Physical Science 9th Grade

In this equation a stands for? $a\ =\ \frac{V_{f\ }-\ V_1}{t\ }$

$a\ =\frac{V_{f\ }-\ V_I}{t\ }$ In this equation 't' stands for ?

$a=\frac{V_{f\ }-V_I}{t}$ In this equation, V stands for?

Use this equation to solve for accelleration:
A car accelerates from $20\ \frac{m}{s}\ to\ 40\ \frac{m}{s}\ in\ 10\ \sec onds.\ What\ is\ its\ acceleration\$
$a\ =\ \frac{V_{f\ }-\ V_{l\ }}{t}$

5.A car traveling at 20 m/s accelerates at 4 m/s² for 5 seconds. What is its final velocity?
$Vf\ =\ \left(5\ \times\ 10\right)\ \ +30$

Seconds and minutes refer to ?

Soccer ball A goes 15 feet in 3 seconds, and Ball B goes 12 feet in 2 seconds. Which ball moved the fastest?

A unusually fast zombie was chasing after Carl to eat him. What was the zombie’s speed at 6 seconds if he traveled 36 meters?

What is the average speed of the ball if it falls 20 meters 40 seconds?

If a car accelerates from 0 to 60 km/h in 5 seconds, what is its acceleration?

Access all questions and much more by creating a free account

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Physical Science 9th Grade

In this equation a stands for? a = Vf − V1t a\ =\ \frac{V_{f\ }-\ V_1}{t\ }a = t Vf ​− V1​​

a =Vf − VIt a\ =\frac{V_{f\ }-\ V_I}{t\ }a =t Vf ​− VI​​ In this equation 't' stands for ?

a=Vf −VIta=\frac{V_{f\ }-V_I}{t}a=tVf ​−VI​​ In this equation, V stands for?

5.A car traveling at 20 m/s accelerates at 4 m/s² for 5 seconds. What is its final velocity? Vf = (5 × 10) +30Vf\ =\ \left(5\ \times\ 10\right)\ \ +30Vf = (5 × 10) +30

Seconds and minutes refer to ?

Soccer ball A goes 15 feet in 3 seconds, and Ball B goes 12 feet in 2 seconds. Which ball moved the fastest?

A unusually fast zombie was chasing after Carl to eat him. What was the zombie’s speed at 6 seconds if he traveled 36 meters?

What is the average speed of the ball if it falls 20 meters 40 seconds?

If a car accelerates from 0 to 60 km/h in 5 seconds, what is its acceleration?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

In this equation a stands for? $a\ =\ \frac{V_{f\ }-\ V_1}{t\ }$

$a\ =\frac{V_{f\ }-\ V_I}{t\ }$ In this equation 't' stands for ?

$a=\frac{V_{f\ }-V_I}{t}$ In this equation, V stands for?

5.A car traveling at 20 m/s accelerates at 4 m/s² for 5 seconds. What is its final velocity?
$Vf\ =\ \left(5\ \times\ 10\right)\ \ +30$