Vectors
Conversions Practice
Speed Problems
Scalar vs Vector Quantities
Misc.
100
What information does a vector arrow give?
Magnitude and Direction
100
How many seconds(s) are in 10 hours(hr)?
10hr = 36,000s
100
A car has covered 200 miles of road over the past 4 hours. How fast was the car moving?
50 miles/hour
100
What does it mean if your displacement is negative?
The object traveled in the negative direction.
100
Is the boat moving relative to the man on the pier?
Yes
200
A little girl skips...
12ft to the East, turns around and skips 8ft West, then finally turns back around and skips 16 ft East.
What is the girl's Distance and Displacement?
Distance = 36ft
Displacement = 20ft East
200
How many miles(mi) are in 46 kilometers(km)?
1mi = 1.61km
46km = 28.57mi
200
How fast would a ball have to be thrown to cover 50 meters in 2.5 seconds?
20 meters/second
200
What is the difference between Scalar Quantities and Vector Quantities?
Scalar = Magnitude only
Vector = Magnitude and Direction
200
What are our negative directions? (Give at least 2)
South, West, Left, Down
300
A slug crawls...
32in West and then 27in North.
What is the slug's Distance and Displacement?
Distance = 59in
Displacement = 41.9in North West
300
If I walk 3,000 inches(in), how many meters(m) would that be?
1ft = 0.3m
3,000in = ~75m
300
What distance would a plane fly if it was moving at a speed of 120 miles/hour for 4 hours?
480 miles
300
Name the two Scalar Quantities we have been working with:
Distance and Speed
300
Two cars on the highway are moving at the same constant speed in the same direction. Are they moving relative to each other?
No
400
A car drives...
16m North, 7m West, 13m South, 5m East, 9m North, 2m East, and finally 12m South.
What is the car's Distance and Displacement?
Distance = 64m
Displacement = 0m
400
A car travels at a speed of 55 miles(mi)/hour(hr). What would the car's speed be in terms of kilometers(km)/hours(hr)?
1mi = 1.61km
55 mi/hr = 88.55km/hr
400
If a dog is running at 450 meters/minute, how long will it take it the dog to run 900 meters?
2 minutes
400
Name the two Vector Quantities we have been working with:
Displacement and Velocity
400
You walked the twisting road to MeeMaw's house. What does the road represent and what does the red line represent?
Road = Distance
Red Line = Displacement
500
A plane flies ...
4km North, 5km East, 6km North, 15km South, 11km West, 4km South, 7km East, 8km North, and finally 5km West.
What is the plane's Distance and Displacement?
Distance = 65km
Displacement = 4.1km South West
500
A plane flies at a speed of 587 miles(mi)/hour(hr). What is its speed in terms of meters(m)/second(s)?
1mi = 1.61km 1km = 1,000m
587mi/hr = 262.5m/s
500
Choose a member from the team that picked this question to come up and time how long it takes them to move 5 meters. Then you will all race to calculate their speed.
Answers will vary
500
What does it mean for a person's velocity to be negative?
That person is traveling at that speed in a negative direction.
500
What is the equation for velocity?
velocity = displacement / time
v = ∆x / t