Speed, Velocity and Acceleration
Graphing
Dimensional Analysis
Word Problems
Random
100
Speed.
The rate at which an object object increases distance over a period of time.
100
The independent variable goes on the ___axis. The dependent variable goes on the ___ axis.
Independent - x axis Dependent - y axis
100
100 meters to cm
10,000 cm
100
Tim runs from his house to the bus stop across the street in 5 seconds. The bus stop is 26 meters from Tim's house. How fast did Tim run to the bus stop?
Tim ran at a speed of 5.2 m/sec
100
How many significant figures are in the 306.00600079000
14 significant figures
200
The difference between speed and velocity.
Speed is a scalar quantity. (Magnitude) Velocity is a vector quantity. (Magnitude and Direction)
200
Draw a distance vs time graph that represents constant speed.
Linear
200
a grocery store has 200 cartons of eggs. Each carton holds one dozen eggs. If 12 eggs = 1 dozen, how many eggs does the store have?
2400 eggs.
200
Jacob jumps from a bridge to the underlying lake with a velocity of 4m/sec. The bridge is propped 10 m above the lake. What is Jacob's acceleration?
-9.8m/sec^2 Jacob is in freefall so therefor his acceleration is due to gravity.
200
45.76 x 0.25
11
300
The slope of a distance vs time graph gives us?
What is acceleration?
300
Draw a velocity vs time graph that represents deceleration.
Inverse Linear
300
100 grams to kilograms.
0.1 kilograms
300
What is the horizontal velocity of a ball that has a horizontal distance of 10 m in a time of 3 seconds.
Vx= Dxt = (10m)(3sec) = 30 m/sec
300
Draw a particle diagram for an object that is increasing speed.
Dots move further and further away.
400
The rate at which an object changes speed.
What is acceleration?
400
Draw Y vs X Graph of an object in projectile motion
Parabola
400
a marathon is 26.2 miles long. How many Kilometers is a marathon?
42.18 km
400
What is the vertical distance in meters of a rock that falls from a cliff to the ground in 3 seconds?
Dy= 4.9t^2 =(4.9)(3^2) = 44.1 m
400
Draw a particle diagram for an object that is decelerating.
Dots move closer and closer together
500
A car that goes from 0m/sec to 60 m/sec in a time of 10 seconds has an acceleration of...
6m/s^2
500
Draw a distance vs time graph for an object that is stationary
Constant
500
The speed limit on many interstate highways in the US is 65 miles per hour. How many kilometers per hour is that? (1 miles=1.61 km)
104.65 km/hr
500
A boy runs at a speed of 5.0 meters per second off the end of a diving boars that is 4 meters above the water. How long is he airborne before he hits the water?
Dy= 4.9t^2 t= √(Dy/4.9) =√(4/4.9) = 0.9 seconds
500
Draw a particle diagram for an object that is moving at a constant speed, comes to a stop then accelerates.
Dots are equal distance apart, then all in one spot then further and further apart.
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