Preskoči na glavni sadržaj
Prijava
Sign up for FREE
arrow_back
Biblioteka

Conservation of Energy Practice

star
star
star
star
star
Posljednje ažuriranje about 1 month ago
25
Napomena autora:

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Pitanje 1
1.

What is conservation of energy?

Pitanje 2
2.

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

Pitanje 3
3.

What forms of energy are included in Mechanical Energy?

Pitanje 4
4.

At which spot is KE the greatest?

Pitanje 5
5.

At which spot is ME the greatest?

Pitanje 6
6.

At which spot is velocity the greatest?

Pitanje 7
7.

How does Conservation of Energy apply to Mechanical Energy?

Pitanje 8
8.

What is the PE at 1?

Pitanje 9
9.

What is the KE at 2?

Pitanje 10
10.

What is the ME at 3?

Pitanje 11
11.

What is the ME at 1?

Pitanje 12
12.

What is the KE at 2?

Pitanje 13
13.

What is the PE at 4?

Pitanje 14
14.

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

Pitanje 15
15.

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

Pitanje 16
16.

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

Pitanje 17
17.

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?

Pitanje 18
18.

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?

Pitanje 19
19.

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?

Pitanje 20
20.

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?

Pitanje 21
21.

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?

Pitanje 22
22.

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?

Pitanje 23
23.

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

Pitanje 24
24.

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?

Pitanje 25
25.

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?