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Explosion Calculations

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Last updated about 2 months ago
13 questions
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Question 1
1.

What is the initial velocity of object 1 in an explosion?

Question 2
2.

What is the initial velocity of object 2 in an explosion?

Question 3
3.

What is the initial momentum in an explosion?

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Two carts held together by a string are sprung apart when the string is cut. Cart 1 (5 kg) has a velocity of 8.3 m/s to the left. Cart 2 (7 kg) has an unknown velocity to the right. What is the momentum of Cart 1?

Question 8
8.

Two carts held together by a string are sprung apart when the string is cut. Cart 1 (5 kg) has a velocity of 8.3 m/s to the left. Cart 2 (7 kg) has an unknown velocity to the right. What is the momentum of Cart 2?

Question 9
9.

Two carts held together by a string are sprung apart when the string is cut. Cart 1 (5 kg) has a velocity of 8.3 m/s to the left. Cart 2 (7 kg) has an unknown velocity to the right. What is the velocity of Cart 2?

Question 10
10.

A cannon (42 kg) launches a cannon ball (2.8 kg). If the cannon ball fires to the right at 15.3 m/s, how fast is the cannon moving to the left?

Question 11
11.

A kindergartner is stuck in a chair and told not to leave. They are determined to roll out the door so they throw a 5 kg backpack to the left at 6.3 m/s. The kindergartner and chair only move a little to the right at 1.3 m/s. What is the mass of the kindergartner?

Question 12
12.

Two identical massed skaters push off of each other on the ice. If the first skater goes to the left at 8.4 m/s, what is the velocity of the second skater?

Question 13
13.

Two identical massed skaters push off of each other on the ice. The first skater goes to the left at 8.4 m/s. What is the sum of their final velocity?

If two objects explode apart and Object 1 moves faster than Object 2, what can be said about it?
Check all that apply.
Object 1 has more mass
Object 2 has more mass
Both have the same mass
Object 1 has more momentum
Object 2 has more momentum
Both have equal momentum (but opposite)
If two objects explode apart and Object 1 moves slower than Object 2, what can be said about it?
Check all that apply.
Object 1 has more mass
Object 2 has more mass
Both have the same mass
Object 1 has more momentum
Object 2 has more momentum
Both have equal momentum (but opposite)
If two objects explode apart and Object 1 moves at the same speed of Object 2, what can be said about it? Check all that apply
Object 1 has more mass
Object 2 has more mass
Both have the same mass
Object 1 has more momentum
Object 2 has more momentum
Both have equal momentum (but opposite)