HomeworkLib
Question
I need full answer. Dont forget the blanks.
Q3: A bomb that is initially at rest at the origin explodes and breaks into two pieces of mass m 1454 kg and m2 2476 kg as shown in the figure below. If piece 1 has a velocity of +30 m/s directed along x, what is the velocity of piece 2 after the explosion? Answer: The system is made of and 21- v1f Total initial momentum is:
science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

The first has a momentum of (m*v=1454*30) in the +x direction,

so the second must have the same momentum in the opposite direction, –x, with a velocity of

v = (1454*30) / 2476 m/s

v= 17.61 m/s

0 0
Add a comment
Know the answer?
Add Answer to:
I need full answer. Dont forget the blanks. Q3: A bomb that is initially at rest...
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

  • A bomb at rest at the origin of an xy-coordinate system explodes into three pieces. Just...

    A bomb at rest at the origin of an xy-coordinate system explodes into three pieces. Just after the explosion, one piece, of mass 2 kg, moves with a velocity of 43 m/s in the negative x-direction, and a second piece, also of mass 2 kg, moves with a velocity of 30 m/s in the negative y-direction. The third piece has a mass of 7 kg. What is the initial momentum of the bomb before the explosion? What is the x-component...

  • A giant "egg" explodes as part of a fireworks display. The egg is at rest before...

    A giant "egg" explodes as part of a fireworks display. The egg is at rest before the explosion, and after the explosion, it breaks into two pieces, with piece B moving in the positive x direction. The masses of both pieces are indicated in (Figure 1) , shown traveling in opposite directions. The component of the momentum of piece B, pBx,f, is measured to be +500 kg?m/s after the explosion. Find the component of the momentum pAx,f of piece A...

  • 1 object initially at rest explodes into three picces. Piece A has a mass of 5...

    1 object initially at rest explodes into three picces. Piece A has a mass of 5 kg, B has a mass of 3.0 kg, and C has a mass of 2.5 kg. After the explosion, A's velocity is (3.0 m/s)i + (2.0 m/s) j and B's velocity is (2.0 m/s)i - (3.0 m/s) j y at rest explodes into three pieces. Piece A has a mass of 5.0 a. What is C's velocity after the explosion? b. Calculate the change...

  • It said I do not need to know the mass. Please round the answer to 3...

    It said I do not need to know the mass. Please round the answer to 3 significant figures An object of mass m, initially at rest at the origin, explodes into two pieces. The first piece, 78.9 percent of the mass, moves along the negative x-axis at 8.55 m/s. Find the speed, in m/s, of the other piece right after the explosion.

  • A 400 kg bomb sitting at rest on a table explodes into three pieces. A 150...

    A 400 kg bomb sitting at rest on a table explodes into three pieces. A 150 kg piece moves off to the East with a velocity of 150 m/s. A 100 kg piece moves off with a velocity of 200 m/s. What is the velocity of the third piece?

  • QUESTION 10 1. An object of mass m, initially at rest at the origin, explodes into...

    QUESTION 10 1. An object of mass m, initially at rest at the origin, explodes into two pieces. The first piece, 87.5 percent of the mass, moves along the negative x-axis at 1.32 m/s. Find the speed, in m/s, of the other piece right after the explosion. NOTE: You do not need to know mass m!

  • See the "BEFORE picture below. It shows a 6-kilogram firecracker initially at rest. Then the firecracker...

    See the "BEFORE picture below. It shows a 6-kilogram firecracker initially at rest. Then the firecracker explodes into three pieces. In the picture labeled "AFTER, two of the pieces are shown; the third piece has not been drawn yet 3 a) BEFORE the explosion, how much is the total momentum? b) AFTER the explosion... .how much is the mass of the third piece? ...how much is the speed and direction of the third piece? (Hint: Break down all momentum vectors...

  • An object with total mass mtotal = 16.2 kg is sitting at rest when it explodes...

    An object with total mass mtotal = 16.2 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.7 kg moves up and to the left at an angle of θ1 = 23° above the –x axis with a speed of v1 = 25.3 m/s. A second piece with mass m2 = 5.1 kg moves down and to the right, an angle of θ2 = 28° to the right of the -y axis...

  • An object with total mass mtotal = 6.4 kg is sitting at rest when it explodes...

    An object with total mass mtotal = 6.4 kg is sitting at rest when it explodes into two pieces. The two pieces, after the explosion, have masses of m and 3m. During the explosion, the pieces are given a total energy of E = 45 J. What is the speed of the smaller piece after the collision? What is the speed of the larger piece after the collision? If the explosion lasted for a time t = 0.029 s, what...

  • The object shown is initially at rest. At t = 0 the object explodes into 3...

    The object shown is initially at rest. At t = 0 the object explodes into 3 pieces of equal mass as shown. The angles are 0 = 29° and 0 = 38°. Take upward and rightward as the positive directions. Part 1: Find the velocity components of the piece on the right. Vx= Vy= Part 2: If the explosion lasted for 0.01 seconds, what is the average force experienced by the piece on the right? Take the mass to be...

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