At the bottom of the hill, group A measures the speed of a 0.17-kg car at 3.85 m/s while group B measures the speed of the same car at 4.45 m/s. The position when the car is started to move from the top of the hill is 3 m. a). Calculate the potential energy of the car before its speed is measured. b.) Calculate the kinetic energy of the car for group A. c.) Calculate the kinetic energy of the car for group B. [2] d. How much is the energy lost due to friction for the car that is measured by group A and B?
Answers: 3
Another question on Physics
Physics, 21.06.2019 18:00
Abaseball has a mass of 0.145 kg and approaches a bat at 40.0 m/s. after it is hit, the ball leaves the bat at 50.0 m/s directly back. find the impulse of the bat on the ball. 7.25 kg*m/s 13.1 kg*m/s 5.80 kg*m/s 1.45 kg*m/s
Answers: 2
Physics, 22.06.2019 06:30
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
Physics, 22.06.2019 11:00
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
Answers: 1
Physics, 22.06.2019 14:40
How does an observation about an object differ from an inference about that object
Answers: 1
You know the right answer?
At the bottom of the hill, group A measures the speed of a 0.17-kg car at 3.85 m/s while group B mea...
Questions
Mathematics, 04.01.2021 05:40
Social Studies, 04.01.2021 05:40
English, 04.01.2021 05:50
Biology, 04.01.2021 05:50
English, 04.01.2021 05:50
English, 04.01.2021 05:50
History, 04.01.2021 05:50
Mathematics, 04.01.2021 05:50
Mathematics, 04.01.2021 05:50
Mathematics, 04.01.2021 05:50
Mathematics, 04.01.2021 05:50
Arts, 04.01.2021 05:50
