HomeworkLib
Question

Two identical cars (m = 1350 kg) are traveling at the same speed of 31.5 m/s....

Two identical cars (m = 1350 kg) are traveling at the same speed of 31.5 m/s. They are moving in the directions shown in the drawing. What is the magnitude of the total momentum of the two cars?

Magnitude of total momentum = kg

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

let x axis be unit vector i and y-axis be unit vector j.


then speed of left side mass=-sin(60) i+cos(60) j


=-0.866 i+0.5 j


velocity of second mass=sin(30) i+ cos(30) j=0.5 i+0.866 j


so net momentum=1350*31.5*(-0.866 i+0.5 j)+1350*31.5*(0.5 i+0.866 j)=-15564.15 i +58089.15 j

0 0
Add a comment
Know the answer?
Add Answer to:
Two identical cars (m = 1350 kg) are traveling at the same speed of 31.5 m/s....
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Two identical cars (m = 1350 kg) are traveling at the same speed of 20.6 m/s....

    Two identical cars (m = 1350 kg) are traveling at the same speed of 20.6 m/s. They are moving in the directions shown in the drawing. What is the magnitude of the total momentum of the two cars?

  • Two identical cars are driving in opposite directions at the same speed. Their kinetic energies have...

    Two identical cars are driving in opposite directions at the same speed. Their kinetic energies have ____. Two identical cars are driving in opposite directions at the same speed. Their kinetic energies have ____. different magnitudes and opposite signs the same magnitude and sign the same magnitude, but opposite signs different magnitudes, but the same sign

  • Two identical cars are driving in opposite directions at the same speed. Their kinetic energies have...

    Two identical cars are driving in opposite directions at the same speed. Their kinetic energies have ____. Two identical cars are driving in opposite directions at the same speed. Their kinetic energies have ____. different magnitudes and opposite signs the same magnitude and sign the same magnitude, but opposite signs different magnitudes, but the same sign

  • Question 5.2a: A 1350-kg car is traveling with an initial speed of 26.0 m/s. Determine the...

    Question 5.2a: A 1350-kg car is traveling with an initial speed of 26.0 m/s. Determine the car's speed after ?2.15 ? 105 J of net work is done on the car. m/s Question 5.2b: A 11.6-kg box is sliding across a horizontal floor. It has an initial speed of 1.40 m/s and the only force acting on it is kinetic friction with magnitude fk = 3.00 N. Determine the distance the box will travel before coming to rest. m

  • two identical cars approach an intersection, one is traveling east at 18n/s. the second is traveling...

    two identical cars approach an intersection, one is traveling east at 18n/s. the second is traveling north at 24m/s. they collide and stick together. what is the momentum immediately after thr crash? assume mass of one car is 2000 kg. sketch the situation.

  • Two cars are latched together with a speed of 3 m/s traveling to the east when...

    Two cars are latched together with a speed of 3 m/s traveling to the east when they catch up and collide with another car moving at a speed of 0.6m/s east. If the three-car latches to the other two. How fast will the three cars joint together after the collision happens? Same Mass for all vehicles.

  • A 4534 kg truck traveling with a velocity of 11 m/s due north collides head-on with...

    A 4534 kg truck traveling with a velocity of 11 m/s due north collides head-on with a 1197 kg car traveling with a velocity of 12 m/s due south. The two vehicles stick together after the collision. (a) What is the momentum of the truck prior to the collision? (b) What is the momentum of the car prior to the collision? (c) What is the magnitude and direction of the total momentum of the two vehicles after they collide? Use...

  • Two identical hockey pucks are moving on a hockey rink at the same speed of 3...

    Two identical hockey pucks are moving on a hockey rink at the same speed of 3 m/s and in perpendicular directions when they strike each other as shown. Assuming a coefficient of restitution e=0.7, determine the magnitude and direction of the velocity of each puck after Impact YB 2001 m/s The velocity of puck A after Impact, V'AIS The velocity of puck Bafter Impact, 'gis m/s

  • Two cars approach an ice-covered intersection. One car, of mass 1.11*103 kg, is initially traveling north...

    Two cars approach an ice-covered intersection. One car, of mass 1.11*103 kg, is initially traveling north at 12.1 m/s. The other car, of mass 1.70*103 kg, is initially traveling east at 12.1 m/s. The cars reach the intersection at the same instant, collide, and move off coupled together. Find the velocity of the center of mass of the two-car system just after the collision. Magnitude= Directions = North of East

  • A boxcar traveling at 10 m/s approaches a string of 2 identical boxcars sitting stationary on...

    A boxcar traveling at 10 m/s approaches a string of 2 identical boxcars sitting stationary on the track. The moving boxcar collides and links with the stationary cars and they all move off together along the track. What is the final speed of the cars immediately after the collision? (You may take the mass of each boxcar to be 18,537 kg.) m/s

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT