Energy
Energy due to motion is ______________ energy.
What is Kinetic energy?
What is the formula for calculating density?
Density = Mass / Volume
What is the formula for calculating speed?
Speed = Distance / Time
What does the slope of a line on the graph tell you?
The speed
A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?
100 miles
Gravitational potential energy depends on the __________ and _________ of the object.
A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is its density?
2.7 g/mL
Alan travels 100 kilometers in 5 hours. Find his average speed in km/h.
20 km/hr
A straight diagonal line represents a ____________ speed.
Constant
All of the following are units of speed except:
m/s
km/s
seconds
m/min
seconds
A moving skateboard is an example of _____________ energy.
What is kinetic energy?
A bar of copper has a mass of 216g and a volume of 24cm3. What is the density of copper?
9 g/cm3
What is the speed of a rocket that travels 9000 meters in 12.12 seconds?
742.5 m/s
A flat horizontal line represents no ________.
motion
If it takes Heather 3 seconds to run from the batter's box to first base at an average speed of 6.5 meters per second, what is the distance she covers in that time?
19.5 m
A book sitting on the top of a shelf is an example of ______________ energy.
What is potential energy?
The volume of a candy bar is 55cm3. The mass of the candy bar is 70g. What is the density of the candy bar?
1.3 g/cm3
Shona cycles at an average speed of 8 km/h. How far has she traveled if she cycles for 4 hours?
32 km
An upward curved line represents an object ______________.
accelerating
Sarah backstrokes at an average speed of 8 meters per second. How long will it take her to complete a 200-meter race?
25 seconds
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
The potential energy decreases, while the kinetic energy increases.
An irregularly shaped stone was lowered into a graduated cylinder holding a volume of water equal to 2 ml. The height of the water rose to 7 ml. If the mass of the stone was 25 g, what was its density?
5gm/ML
Mr. Rudman drives his race car for 4 hrs at 150 miles/hr. How far will he travel?
600 miles
Acceleration occurs when an object changes its speed or ______.
direction
Complete the following sentence:
The ________________ an object moves, the more ____________________ energy it has.
faster... kinetic