2. A 38kg child is at the top of a slide that is 2.1m tall.
(a) If there is no friction, how fast will they be moving when they reach the bottom of the slide?
(b) If they lose 250.0J of energy to sound, heat, and friction, how fast will they be moving when they reach the bottom?
3. A 0.850 kg air-track glider moving at 1.75 m/s bumps into a 1.45 kg glider initially at rest.
(a) If the collision is elastic, find the total kinetic energy after collision.
(b) If the collision is completely inelastic, find the total kinetic energy after collision.
Show all your work.
Answers: 2
Physics, 21.06.2019 20:00
The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?
Answers: 1
Physics, 22.06.2019 04:10
Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l
Answers: 2
Physics, 22.06.2019 10:00
Amira pulls a 3 pound wagon 4 feet. how much work has she done?
Answers: 2
Physics, 22.06.2019 22:00
Which of these is the best way to manage a natural resource
Answers: 3
2. A 38kg child is at the top of a slide that is 2.1m tall.
(a) If there is no friction, how fast w...
History, 02.10.2019 18:50
Social Studies, 02.10.2019 18:50
Mathematics, 02.10.2019 18:50
Social Studies, 02.10.2019 18:50
Health, 02.10.2019 18:50
Mathematics, 02.10.2019 18:50
Business, 02.10.2019 18:50
Spanish, 02.10.2019 18:50
Mathematics, 02.10.2019 18:50