Conservation of Energy Practice

Instructions

1

What is conservation of energy?

1

You overhear someone say "We should switch to nuclear. It creates more energy than is put in". Why is this statement incorrect?

1

What forms of energy are included in Mechanical Energy?

1

Select the scenarios that illustrate Mechanical Energy

1

At which spot is KE the greatest?

1

At which spot is GPE the greatest?

1

At which spot is ME the greatest?

1

At which spot is velocity the greatest?

1

How does Conservation of Energy apply to Mechanical Energy?

1

What is the PE at 1?

1

What is the KE at 2?

1

What is the PE at 3?

1

What is the ME at 3?

1

What is the ME at 1?

1

What is the KE at 2?

1

What is the KE at 3?

1

What is the PE at 4?

1

What is the KE at 4?

1

A skier is at the top of a slope. Draw the graph that would represent the GPE as the skier starts down the slope.

1

A skier is at the top of a slope. Draw the graph that would represent the KE as the skier starts down the slope.

1

A skier is at the top of a slope. Draw the graph that would represent the ME as the skier starts down the slope.

1

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their KE at the bottom of the slope?

1

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their GPE at the bottom of the slope?

1

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their ME at the bottom of the slope?

1

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their ME at the top of the slope?

1

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their KE at the top of the slope?

1

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their GPE at the top of the slope?

2

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is the height?

1

40 J of work is done to move a 5 kg box across the floor. What is the velocity of the box?

1

An arrow is stretched back in a bow and with 25 J of energy. How much Elastic energy does the bow have once it is stretched?

2

An arrow is stretched back in a bow and with 25 J of energy. How much Kinetic energy does the arrow have when it is released?

2

What is conservation of energy?

You overhear someone say "We should switch to nuclear. It creates more energy than is put in". Why is this statement incorrect?

What forms of energy are included in Mechanical Energy?

Select the scenarios that illustrate Mechanical Energy

At which spot is KE the greatest?

At which spot is GPE the greatest?

At which spot is ME the greatest?

At which spot is velocity the greatest?

How does Conservation of Energy apply to Mechanical Energy?

What is the PE at 1?

What is the KE at 2?

What is the PE at 3?

What is the ME at 3?

What is the ME at 1?

What is the KE at 2?

What is the KE at 3?

What is the PE at 4?

What is the KE at 4?

A skier is at the top of a slope. Draw the graph that would represent the GPE as the skier starts down the slope.

A skier is at the top of a slope. Draw the graph that would represent the KE as the skier starts down the slope.

A skier is at the top of a slope. Draw the graph that would represent the ME as the skier starts down the slope.

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their KE at the bottom of the slope?

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their GPE at the bottom of the slope?

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their ME at the bottom of the slope?

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their ME at the top of the slope?

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their KE at the top of the slope?

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is their GPE at the top of the slope?

The skier has a mass of 60 kg. A speedometer at the bottom of the slope records the skier's speed at 22 m/s. What is the height?

40 J of work is done to move a 5 kg box across the floor. What is the velocity of the box?

An arrow is stretched back in a bow and with 25 J of energy. How much Elastic energy does the bow have once it is stretched?

An arrow is stretched back in a bow and with 25 J of energy. How much Kinetic energy does the arrow have when it is released?

An arrow is stretched back in a bow and with 25 J of energy. If the bow is 0.05 kg, how fast is it moving?