Title: A 10-g bullet moving horizontally with a speed of 2.0 km/s strikes and passes through a 4.0-kg block ... Post by: BJ on Jan 21, 2018 A 10-g bullet moving horizontally with a speed of 2.0 km/s strikes and passes through a 4.0-kg block moving with a speed of 4.2 m/s in the opposite direction on a horizontal frictionless surface. If the block is brought to rest by the collision, what is the kinetic energy of the bullet as it emerges from the block?
a. 0.51 kJ b. 0.29 kJ c. 0.80 kJ d. 0.13 kJ e. 20 kJ Title: A 10-g bullet moving horizontally with a speed of 2.0 km/s strikes and passes through a 4.0-kg block ... Post by: lovely_rose_ on Jan 21, 2018 Content hidden
Title: A 10-g bullet moving horizontally with a speed of 2.0 km/s strikes and passes through a 4.0-kg block ... Post by: BJ on Jan 21, 2018 Helped a lot
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