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A radioactive atom at rest with a mass of 100 10^-27~kg is decaying to three pa…

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Wize University Physics Textbook (Master) > Momentum, Impulse and Collisions

Two-Dimensional Linear Momentum Conservation

5 Activities

Wize University Physics Textbook (Master) > Momentum, Impulse and Collisions

Shell Explosion

2 Activities

A radioactive atom at rest with a mass of 100×10−27 kg100\times 10^{-27}~kg is decaying to three particles with masses of 25×10−27 kg25\times 10^{-27}~kg , 40×10−27 kg40\times 10^{-27}~kg and 35×10−27 kg35\times 10^{-27}~kg respectively. Assume that all three particles remain in x-y plane. If the first particle is moving in the direction of positive y axis at speed of 20m/s and the second particle moves in the direction of 25 degree clockwise respect to positive x-axis at speed of 15 m/s, what is the angle and speed of the of the third particle?
More Two-Dimensional Linear Momentum Conservation Questions:
A kid is stationary on a frozen lake when the friction between his shoes and the lake could be neglected. He tosses simultaneously a ball with a mass of 2kg toward North at speed of 2m/s and a toy with mess of 1kg toward West at the speed of 5 m/s. What is the speed of the kid after throwing the ball and the toy? (assume the boy weighs 30kg)
A bowling ball with mass of 1 kg travelling at 0.75 m/s hits a 0.5 kg bowling pin, initially at rest. The bowling pin moves off with a speed of 0.25 m/s at an angle of 35º relative to the initial direction of the bowling ball. What is the final velocity of the bowling ball? (note: you cannot assume kinetic energy is conserved).
Particle m1 with mass of 4×10−254 \times 10^{-25}kg is travelling with a velocity of 5msi^5\frac{m}s\hat i , and collides with particle m2 with mass 6×10−25 kg6\times 10^{-25}~\rm kg which is initially at rest. After the interaction, m1 travels with speed of 5 m/s at an angle of 45 degrees with vector.
What is the total momentum of the system?
What is the vector velocity of m2?
More Shell Explosion Questions:
Practice: Fireworks
A firework explodes and forms three fragments of equal mass. One fragment travels directly upward at 1414 m/s and the second fragment moves at 2525 m/s at 25°25\degree below the horizontal to the right. Determine the velocity of the third fragment immediately after the explosion.
Practice: Firework
A fireworks explodes and forms three fragments of equal mass. One fragment travels directly upward at 14 m/s and the second fragment moves at 25m/s at 25o below the horizontal to the right. Determine the velocity of the third fragment immediately after the explosion.
Kinematics: Momentum in shell explosion
A fireworks explodes and forms three fragments of equal mass. One fragment travels directly upward at 14 m/s and the second fragment moves at 25m/s at 25o below the horizontal to the right. Determine the speed of the third fragment immediately after the explosion. Enter the answer in m/s.
A 1.0kg explosive is at rest when it suddenly goes off. It breakes into 2 pieces. A 0.30kg piece goes north at 10.0m/s. What is the magnitude of the momentum of the other piece?
A fireworks explodes and forms three fragments of equal mass. One fragment travels directly upward at 14 m/s and the second fragment moves at 25m/s at 25o below the horizontal to the right. Determine the velocity of the third fragment immediately after the explosion.