Car 1 and Car 2 have equal masses of 2,000 kg each. Car 1's initial momentum was 40,000 kg-m/s to the right; Car 2 wasn't moving.
Car 1 collided with Car 2.
Car 1's final velocity is 10 m/s to the right; Car 2's final velocity is unknown.
1. What is each car's initial velocity?
2. What is their total initial momentum?
3. After the collision, what is Car 2's final velocity?
4. What is their total final momentum?

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

[content deleted] - user123802726recklesschicken

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.