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Science

8th Grade

NGSS covered

Used 70+ times

Calculating Velocity and Acceleration
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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The correct equation to calculate speed is

distance/time
time/distance
distance x time
distance/time2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to find average velocity?

Vavg = (rfinal - rinitial)/(tfinal - tinitial)
Vavg = (rinitial - rfinal)/(tinitial - tfinal)
Vavg = (afinal - ainitial)/(tfinal - tinitial)
Vavg = (ainitial - afinal)/(tinitial - tfinal)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating speed?

 speed = distan⁡cetimespeed\ =\ \frac{dis\tan ce}{time}  

 speed = timedistan⁡cespeed\ =\ \frac{time}{dis\tan ce}  

 speed=distan⁡ce × timespeed=dis\tan ce\ \times\ time  

 speed = distan⁡ce + timespeed\ =\ dis\tan ce\ +\ time  

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Pick all of the following that are velocities.

4 km/s west

5 cm/h south

2 mph

8 cycles/year

5 m/s up

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 a=vfinal−vinitialtimea=\frac{v_{final}-v_{initial}}{time}  

Mark slams on the brakes after traveling 25 m/s. It takes him 3 seconds to come to a complete stop. What is his acceleration?


8.33 m/s2

-8.33 m/s2

75 m/s2

-75 m/s2

Tags

NGSS.HS-PS2-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Total distance divided by total time, for an object shows:

acceleration

average acceleration

absolute speed

average speed

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A plane flying 300 mph west toward California is an example of...

Speed

Velocity

Acceleration

Direction

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