subject
Physics, 21.11.2019 21:31 hncriciacheichi

Two gliders are on a frictionless, level air track. both gliders are free to move. initially, glider a moves to the right and glider b is at rest. after the collision, glider a has reversed direction and moves to the left. the mass of glider a is one quarter of the mass of glider b. the system is defined as the two gliders. which object has the higher change in momentum?

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 03:00
An internally reversible refrigerator has a modified coefficient of performance accounting for realistic heat transfer processes of where qin is the refrigerator cooling rate, qout is the heat rejection rate, and is the power input. show that copm can be expressed in terms of the reservoir temperatures tc and th, the cold and hot thermal resistances rt,c and rt,h, and qin, as where rtot rt,c rt,h. also, show that the power input may be expressed as 1.39 a household refrigerator operates with cold- and hot-temperature reservoirs of tc 5 c and th 25 c, respectively. when new, the cold and hot side resistances are rc,n 0.05 k/w and rh,n 0.04 k/w, respectively. over time, dust accumulates on the refrigerator’s condenser coil, which is located behind the refrigerator, increasing the hot side resistance to rh,d 0.1 k/w. it is desired to have a refrigerator cooling rate of qin 750 w. using the results of problem 1.38, determine the modified coefficient of performance and the required power input w under (a) clean and (b) dusty coil conditions. internally reversible refrigerator qout qin w high-temperature reservoir low-temperature reservoir th th,i tc,i tc high-temperature side resistance low-temperature side resistance w qin th tc qinrtot tc qinrtot copm tc qinrtot th tc
Answers: 2
question
Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
question
Physics, 22.06.2019 11:30
How can you increase the strength of an electromagnet?
Answers: 1
question
Physics, 22.06.2019 12:00
Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?
Answers: 3
You know the right answer?
Two gliders are on a frictionless, level air track. both gliders are free to move. initially, glider...
Questions
question
Mathematics, 05.07.2019 18:30
question
Social Studies, 05.07.2019 18:30
question
Mathematics, 05.07.2019 18:30
question
Chemistry, 05.07.2019 18:30
Questions on the website: 13722361