Questions
1. The bowling ball starts out at rest (speed = 0 m/s) at the top of the building (height = 40 m).
a. How much potential energy does the bowling ball have?
b. How much kinetic energy does the bowling ball have?
c. How much total energy (potential + kinetic) does the bowling ball have?
d. Of the bowling ball’s total energy, is more in the form of potential or kinetic energy?
2. When the bowling ball has fallen halfway down the building (height = 20 m), it has a speed of 19.8 m/s.
a. How much potential energy does the bowling ball have?
b. How much kinetic energy does the bowling ball have?
c. How much total energy (potential + kinetic) does the bowling ball have?
d. Of the bowling ball’s total energy, is more in the form of potential or kinetic energy?
3. Just before the bowling ball hits the ground (height = 0 m), it has a speed of 28 m/s.
a. How much potential energy does the bowling ball have?
b. How much kinetic energy does the bowling ball have?
c. How much total energy (potential + kinetic) does the bowling ball have?
d. Of the bowling ball’s total energy, is more in the form of potential or kinetic energy?
4. Compare the total energy of the bowling ball at each of the three points.
a. Do the potential or kinetic energy stay the same as the bowling ball falls?
b. What happens to the potential energy that the bowling ball started with as it falls?
c. Does the total amount of energy that the bowling
Answers: 1
Physics, 22.06.2019 00:00, hlhunter11p8f0o0
An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?
Answers: 1
Physics, 22.06.2019 11:10, aprilstalder
Which situation will produce the greatest change of momentum
Answers: 2
Physics, 23.06.2019 01:30, saif27
The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a. is a south pole because the field hnes spread out from this end b. a north pole because the field lines spread out from this end c. a nouth pole because the field lines enter the magnet at this end d. is a north pole because the field lines enter the magnet at this end
Answers: 1
Questions
1. The bowling ball starts out at rest (speed = 0 m/s) at the top of the building (height...
Mathematics, 23.08.2019 15:30
Mathematics, 23.08.2019 15:30
Mathematics, 23.08.2019 15:30
Mathematics, 23.08.2019 15:30
Chemistry, 23.08.2019 15:30
Biology, 23.08.2019 15:30
Mathematics, 23.08.2019 15:30