Question

In: Physics

A 0.255kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.215kg...

A 0.255kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.215kg puck that is initially moving along the x axis with a velocity of 2.15m/s. After the collision, the 0.215kg puck has a speed of 1.14m/s at an angle of θ = 57.8° to the positive x axis. (a) Determine the speed of the 0.255kg puck after the collsion.

b) Determine the angle of the puck with respect to the x-axis.

c) Find the percentage of kinetic energy lost in the collision. Do not enter units.

Solutions

Expert Solution

​​​​​


Related Solutions

A 0.478 kg puck, initially at rest on a horizontal, frictionless surface, is struck by a...
A 0.478 kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.129 kg puck moving initially along the x axis with a speed of 2.19 m/s. After the collision, the 0.129 kg puck has a speed of 1.19 m/s at an angle of 29◦ to the positive x axis. Determine the magnitude of the velocity of the 0.478 kg puck after the collision. Answer in units of m/s.
A 0.30 kg puck, initially at rest on a frictionless horizontal surface, is struck by a...
A 0.30 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20 kg puck that is initially moving along the x axis with a velocity of 2.4 m/s. After the collision, the 0.20 kg puck has a speed of 0.8 m/s at an angle of θ = 53° to the positive x axis. (a) Determine the velocity of the 0.30 kg puck after the collision. _ at _ ° from +x axis (b) This was...
A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg...
A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200- kg puck has a speed of 1.00 m/s at an angle of θ = 53.0° to the positive x axis. (a) Determine the velocity of the 0.300-kg puck after the collision. (b) Find the fraction of kinetic energy lost in the collision. and please explain
A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg...
A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200- kg puck has a speed of 1.00 m/s at an angle of θ = 53.0° to the positive x axis. (a) Determine the velocity of the 0.300-kg puck after the collision. (b) Find the fraction of kinetic energy lost in the collision. (4 points)
A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg...
A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of 9.0 m/s. After the collision, the 0.20-kg puck has a speed of 5.4 m/s at an angle of θ = 53° to the positive x-axis. a)Determine the velocity of the 0.30-kg puck after the collision. magnitude-? direction-? (from the positive X-axis) (b) Find the fraction of kinetic energy lost in the collision.
A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg...
A 0.30-kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20-kg puck that is initially moving along the x-axis with a velocity of 8.6 m/s. After the collision, the 0.20-kg puck has a speed of 5.2 m/s at an angle of θ = 53° to the positive x-axis. (a) Determine the velocity of the 0.30-kg puck after the collision. (b) Find the fraction of kinetic energy lost in the collision.
A 0.320 kg puck at rest on a horizontal frictionless surface is struck by a 0.220...
A 0.320 kg puck at rest on a horizontal frictionless surface is struck by a 0.220 kg puck moving in the positive x direction with a speed of 4.05 m/s. After the collision, the 0.220 kg puck has a speed of 1.29 m/s at an angle of ? = 60.0° counterclockwise from the positive x axis. (a) Determine the velocity of the 0.320 kg puck after the collision. Express your answer in vector form. vf = ___m/s (b) Find the...
A 2 kg puck, initaly at rest on a horizonta, frictionless surface is struck by another...
A 2 kg puck, initaly at rest on a horizonta, frictionless surface is struck by another 2 kg puck moving at a velocity of 2 m/s along the x-axis. After the collision, one puck is moving at a speed of 1 m/s at an angle 53 degrees to the positive x-axis. A. What is the velocity of the other puck? B. How much energy is lost in the collision? C. At what angle, does the other puck make?
A 5.0 kg mass is initially at rest on a horizontal frictionless surface when a horizontal...
A 5.0 kg mass is initially at rest on a horizontal frictionless surface when a horizontal force along an x axis is applied to the block. The force is given by ? ⃗(?) = (6.0?2 − 2?3)?̂, where the force in in newtons, x is in meters, and the initial position of the block is x = 0. (a) What is the work done in moving the block from x = 1.0 m to x = 3.0 m? (b) What...
A hockey puck sliding on a frictionless surface strikes a box at rest. After the collision,...
A hockey puck sliding on a frictionless surface strikes a box at rest. After the collision, the two objects stick together and move at some final speed. Which of the following describes the change in momentum and energy of the puck during the collision?  The puck loses some, but not all, of its original momentum and mechanical energy.  One cannot determine if the momentum or energy of the puck is conserved without knowing the final velocities and masses two objects.  The puck conserves...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT