2.2 Mastery Check

Acceleration is the rate of change of ​ (a)   over ​ (b)   .

• velocity
• time
• speed
• distance
• acceleration

Tags

sps8a

Match the following

• When an object slows down

• No Acceleration

• When an object speeds up

• Negative Acceleration

• When an object stays a constant speed

• Positive Acceleration

Tags

sps8a

What is the formula for acceleration?

a

b

c

d

e

s

t

v

vi

+

vf

-

a

d

Tags

sps8a

Acceleration can be negative.

• True

• False

How would you set-up the following problem?

A car traveling 35 km/hr accelerates to a speed of 45 km/hr in 0.25 hr.  What is its acceleration? (note: you do NOT type the answer, but you do need to use parentheses, and you need to include the unknown variable and an equal sign)

Mathematical Equivalence

ON

How would you set-up the following problem?

A jet is traveling at 80 m/s when it starts to approach a runway.  It is able to land and park in 10 s.  What is its acceleration?

(note: you do NOT type the answer, but you do need to use parentheses, and you need to include the unknown variable and an equal sign)

Mathematical Equivalence

ON

How would you set-up the following problem?

A skateboarder has an acceleration of 1.5 m/s2.  Starting from rest, if he accelerates for 2 s, what speed will he reach?

(note: you do NOT type the answer, but you do need to use parentheses, and you need to include the unknown variable and an equal sign)

Mathematical Equivalence

ON

Which is the correct set up for the following problem?

A car accelerates from a standstill to 60 km/s in 10 s.

Tags

NGSS.MS-PS2-2

Which of the following is the correct set up for this problem:

A car accelerates from 25 mi/hr to 55 mi/hr in 0.0083 hr.

Tags

NGSS.HS-PS2-1

What is the correct set up for this problem?

A runner has a velocity of 11.1 m/s for 9 seconds until he finishes the race and comes to a stop. What is his acceleration?

Tags

NGSS.HS-PS2-1