Physics Quiz 2 Review

Average Velocity

100

A velocity must have a magnitude and _________.

direction

200

The average velocity formula is ____________________.

v= (d_final-d_initial)/(t_final-t_initial)

300

The average velocity for this line is _________. (include units)

+3 m/s

400

When using a Position Time graph, the average velocity for the ENTIRE journey can be found by using the ___________ and ____________ points.

first and last

initial and final

500

The average velocity for interval B is _________.

-0.11 m/s

Average Speed

100

TRUE or FALSE: Speed is always positive

True

200

Jonathan is driving down the street. He drives 150 meters in 18 seconds. His average speed is __________. 

8.3 m/s

300

A person jogs 4.0 km in 32 minutes, then 2.0 km in 22 minutes, and finally 1.0 km in 16 minutes. The jogger’s average speed is ____________. 

0.1 km/min

400

For this graph, the speed of this ENTIRE journey is ____________.

3.6 m/s

500

A plane’s average speed between two cities is 600 km/hr. If the trip takes 2.5 hrs. The distance the plane flies is ___________ km.

1500 km

Instantaneous Speed

100

The formula for instantaneous speed is _________.

speed= distance/time

200

Distance: 938m Time: 14 seconds. The speed is ____________.

67 m/s

300

Speed: 30 m/s   Time: 90 seconds

Distance: _________

2700 meters

400

A pitcher throws a baseball from the pitcher’s mound to home plate in 0.46 s. The distance is 18.4 m. The baseball's speed is ______. 

40 m/s

500

Madeline is walking to her friend’s house with speed of 1.40 m/s. She was walking for _________ seconds at 205 meters.

146 seconds

Instantaneous Velocity

100

The formula for instantaneous velocity is __________.

velocity= displacement/time

200

Displacement: 140m North    Time: 7 seconds 

Velocity: __________

20m/s North

300

Displacement: 40 m down  Time: 17 seconds

Velocity: ________

2.35 m/s down

400

Jasmine has a displacement of 304 m north in 180 s. Jasmine's velocity is __________.

1.69 m/s North

500

Hya jogs with an velocity of 2.4 m/s east at 46 seconds . Her displacement is _________. 

110.4 m/s East