1. A billiard ball moving at 5.80 m/s strikes a stationary ball of the same mass....

1. A billiard ball moving at 5.80 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.81 m/s at an angle of 34.0° with respect to the original line of motion. Assuming an elastic collision (and ignoring friction and rotational motion), find the struck ball's velocity after the collision.

(a)magnitude_____ m/s

(b) direction_____ ° (with respect to the original line of motion)

2. A rod of length 36.00 cm has linear density (mass per length) given by λ = 50.0 + 25.0x where x is the distance from one end, and λ is measured in grams/meter.

(a) What is its mass?----- g

(b) How far from the x = 0 end is its center of mass?------m

Expert Solution

genius_generous answered 2 years ago

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