31.- A mass of 3Kg with initial velocity5 m/s collides with another particle of mass 2Kg with velocity-3m/s. After the collision the two particles move together. Find the final velocity of the compound mass.
31.- A mass of 3Kg with initial velocity5 m/s collides with another particle of mass 2Kg with velocity-3m/s. After the collision the two particles move together. Find the final velocity of the compound mass.
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Transcribed Image Text:ФЫ ВАПРО» В А ПРО Л ДЗАПРОЛДЖЭ
ЯЧСМИТНЧСМИТЬБАСМИТЬБЮ
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31.- A mass of 3Kg with initial velocity5 < > m/s collides with another particle of mass 2Kg with velocity-3<j >m/s. After the collision the two particles
move together. Find the final velocity of the compound mass.
32.- A bowling ball of mass 7Kg collides head-on with a pin of 2.00Kg. The pine tree falls forward with a speed of 3.00 m/s. If the ball continues
forward with a speed of 1.8m/s, what was the initial speed of the ball? Ignore the rotation of the ball.
33.- Two particles collide head-on in a perfectly inelastic manner as illustrated in the figure. Suppose that m_1=0.5 kg and m_2=0.25 kg and v_1=4
(m/s) and v_2=-3 (m/s); a) find the velocity of the composite particle after the collision; b) How much kinetic energy is lost in the collision?
ИЦУКЕНГШУКЕНТ ШЩКЕНТ ШЩЗХЬ
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