subject
Physics, 28.12.2019 06:31 allycattt69

Arailway car having a total mass of 5.8 × 105 kg, moving with a speed of 9.1 km/h, strikes another car that has a mass of 8.7 × 105 kg and is initially at rest. the speed of the coupled cars after the collision is

a) 9.1 km/h.
b) 7.2 km/h.
c) 3.6 km/h.
d) 1.8 km/h.
e) 4.2 km/h

ansver
Answers: 3

Other questions on the subject: Physics

image
Physics, 22.06.2019 09:50, blaqsafire9291
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
Answers: 3
image
Physics, 22.06.2019 12:20, drewefielder6198
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
image
Physics, 22.06.2019 17:30, july00
You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.
Answers: 3
image
Physics, 22.06.2019 21:30, CM0
Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?
Answers: 3
You know the right answer?
Arailway car having a total mass of 5.8 × 105 kg, moving with a speed of 9.1 km/h, strikes another c...

Questions in other subjects:

Konu
Mathematics, 16.12.2020 09:20