DTR Calculations
Constant Velocity
Non-Constant Velocity
Acceleration
100
Ms. Tumlin travels 7.2 miles east to the grocery store from MMS, and then 5.9 miles east to her house.
The displacement of her trip is _______
WHAT IS 13.1 miles
100
The definition of constant velocity
WHAT IS the velocity of an object does NOT change in magnitude or direction?
100
The definition of non-constant velocity
WHAT IS when velocity DOES change in magnitude and/or direction over time?
100
Acceleration is a __________ quantity
WHAT IS vector
200
A boat travels North 726 miles up the river, and then 993 miles down the river.
The displacement is ________
The distance is ________
WHAT IS -267 miles
WHAT IS 1719 miles
200
Draw and label a p-t graph
(write out what P and T mean!)
200
Draw and label a v-t graph
(write out what V and T mean!)
200
The definition of acceleration
WHAT IS the rate at which velocity changes
300
A cyclist travels 27 km in 68 minutes.
Her average speed is ______
WHAT IS 0.397 km/min
300
Draw a v-t graph for the p-t graph below
answers vary
300
The quadrant of a v-t graph will be in if an object is moving towards the motion detector
WHAT IS negative quadrant
300
The three ways acceleration can occur
WHAT IS speeding up, slowing down, and changing direction
400
A track runner completes an 800 m dash in 169.8 seconds.
Their speed is ________
Their velocity is ________
WHAT IS 4.71 m/s
WHAT IS 0 m/s
400
Draw a p-t and v-t graph for the following scenario:
An object moves fast away at a constant speed, stops briefly, and then moves at a slow constant speed towards the start again
steep positive slope, flat horizontal line, gentle negative slope
400
Draw a v-t graph for the p-t graph below
negative slope in the positive quadrant
400
A car is going 20 m/s and enters a 12 m/s speed zone, so they slow down to this speed in 23 seconds.
The acceleration is _______
WHAT IS -0.348 m/s2