Average Velocity
A velocity must have a magnitude and _________.
direction
TRUE or FALSE: Speed is always positive
True
The formula for instantaneous speed is _________.
speed= distance/time
The formula for instantaneous velocity is __________.
velocity= displacement/time
The average velocity formula is ____________________.
v= (dfinal-dinitial)/(tfinal-tinitial)
Jonathan is driving down the street. He drives 150 meters in 18 seconds. His average speed is __________.
8.3 m/s
67 m/s
Displacement: 140m North Time: 7 seconds
Velocity: __________
20m/s North
The average velocity for this line is _________. (include units)
+3 m/s
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
Speed: 30 m/s Time: 90 seconds
Distance: _________
2700 meters
Displacement: 40 m down Time: 17 seconds
Velocity: ________
2.35 m/s down
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
For this graph, the speed of this ENTIRE journey is ____________.
3.6 m/s
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
Jasmine has a displacement of 304 m north in 180 s. Jasmine's velocity is __________.
1.69 m/s North
The average velocity for interval B is _________.
-0.11 m/s
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
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
Hya jogs with an velocity of 2.4 m/s east at 46 seconds . Her displacement is _________.
110.4 m/s East