Energy
Identify where the roller coaster has the most amount of Gravitational Potential Energy.
https://drive.google.com/file/d/1m0K_TsIHEipH83g13A1mWmXxBuSFZp-2/view?usp=sharing
Point A
Complete the following energy bar graph:
https://drive.google.com/open?id=1AQR0G9nBtsm58eP5IPBHQ--C6f9dbndb
Does it take more work to lift a cart to the top of the hill in hilltop #1, or hilltop #2?
https://drive.google.com/open?id=1qlQ3XxSVBWVrzr1NU2BZc_SCNFRULs-J
What unit is used for Power?
Watts (W)
As the length of a string increases, the pitch...
decreases
Identify on the picture where there is the most amount of kinetic energy:
https://drive.google.com/open?id=1R9EzOOCnsiC8tkvsN6NlNvdnNZkYRSg4
A ball is thrown up 5 meters above the ground. As the ball reaches 5 meters, the ball's kinetic energy is converted to:
A. Elastic Potential Energy
B. Gravitational Potential Energy
C. Energy does not change
B. Gravitational Potential Energy
If point B is 30 m high, how much work is required to lift a 1000 kg cart up the incline from point A to point B?(Use the 5 step method! Show your work!)
https://drive.google.com/open?id=1bdOdXVYPbHeG5A0R5noQB7d4bec1G-iu
300,000 Joules
A cart being pushed up a hill does 100 J of work in 10 s. How much power is exerted?
10 Watts
How many waves do you see in this picture?
https://drive.google.com/open?id=1eMk8s_lSMnlU4lpH_2eUSXyhdNIQm_xW
1.5 Waves
A ball is thrown up 5 meters above the ground. As the ball reaches 5 meters, the ball's kinetic energy is converted to:
A. Elastic Potential Energy
B. Gravitational Potential Energy
C. Energy does not change
B. Gravitational Potential Energy
A 5 kg ball is kicked into the air with a maximum height of 10 meters. What is the kinetic energy of the ball as it is being kicked into the air?
500 Joules
If point B is 30 m high, what is the change in GPE if a 1000 kg cart were raised up the incline to the halfway point between point A to point B?
https://drive.google.com/open?id=1891YiH-K3p-5Uq1EteR1f5LL7WlaZ_8C
150,000 Joules
How much power is exerted for a 1000 kg cart that is pushed up a 30 m hill in 5 s?
60,000 Watts
What is the speed of a wave that has a wavelength of 4 meters and a frequency of 250 Hz?
1000 m/s
A ball with a mass of 5 kg is thrown across a field with a speed of 20 m/s. What is the Kinetic energy of the ball as it leaves the pitcher's hand?
1,000 Joules
A rubber band with a spring constant of 80 N/m is stretched 0.03 meters. How much elastic potential energy is stored in the rubber band?
0.036 Joules
If a 1000 cart is released from point B at 30 m high, how much work is required to get from point C to point D?
https://drive.google.com/open?id=1Rc1skJqU7BlEApB_gtllc2SlNgaLAlBC
0 Joules
A cart is pushed up 30 m up a hill with a 500 N force twice. The first push takes 5 s. The second push takes 2 s. Which push exerts more power?
The second push exerts more power. (2 seconds)
If the length of this wave is 3 m, what is one full wavelength?
https://drive.google.com/open?id=1eMk8s_lSMnlU4lpH_2eUSXyhdNIQm_xW
2 m
The Gravitational Potential Energy of a 3 kg ball about to be dropped from the top of a building is 3,000 Joules. What is the height of the building?
100 meters
A 5 kg ball is kicked up into the air with a speed of 15 m/s. What maximum height does the ball reach?
11.25 meters
If a 1000 kg cart is dropped from point B at 30m, how much work is required to stop the cart at point E?
https://drive.google.com/open?id=1INYL0NEfvPZADlhY5TqW8YJ1V56KqQR4
300,000 J
After 500 joules of work is done on a cart, 500 watts of power is exerted. How much time did it take?
1 second
If the length of this wave is 4 m, and the velocity of the wave is 1,200 m/s, what is the frequency of the wave?
449.43 Hz