Joules
Presentation
•
Physics
•
11th Grade
•
Hard
Joseph Anderson
FREE Resource
16 Slides • 11 Questions
1
2
Multiple Select
Which of the following scenarios demonstrate Gravitational Potential Energy (GPE)?
A book sitting on a shelf
A person running on a track
A cat in a tree
Ms. Migs hiking a mountain
A dog sleeping on the floor
3
4
5
6
7
Math Response
A 16-kg barbell is now 0.5 m above the floor. What is it's Gravitational Potential Energy in Joules?
8
9
10
11
Math Response
The barbell weighs 160 N and the weighlifter lifted it 0.5 m. If W = Fd, how much work did the lifter do in Joules?
12
13
14
15
16
17
Multiple Select
Which of the following scenarios demonstrate Kinetic Energy (KE)?
A running back going 20 yds for a touchdown
A cliff jumper preparing to dive
A pole vaulter sprinting down the runway
A car waiting to start a drag race
A drummer marching in a parade
18
19
20
Multiple Choice
A 750-kg elephant charges through the Savanna at 10 m/s²
What is the elephant's Kinetic Energy?
3750 J
7500 J
37500 J
75000 J
21
Math Response
An engine applies a 250 N force to a car over 100 m. What is the work done by the engine in Joules?
22
Math Response
If the engine does 25000 J of work, what is the Kinetic Energy of the car in Joules?
(hint, the car has a mass of 500 kg and is moving at 10 m/s² )
23
24
Math Response
A book with a mass of 4.1 kg is raised a height of 2.3 meters above the ground. How much PE does the book gain in Joules?
25
Math Response
Assume a 45 kg object has 1250 Joules of potential energy. What is its height above the ground in meters? (rounds to the hundredths)
26
Math Response
What would be the kinetic energy of a 65 kg person who can run with a maximum speed of 13 m/s.
Answer in Joules, round to the tenths
27
Math Response
What is the mass of a car that is moving at 25 m/s and possesses a total kinetic energy of 1,095,000 Joules?
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