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1. A 6.0 kg ball collided with a stationary 2.3 kg ball. After the collision, the 2.3 kg ball travelled at 3.6 m/s at an angle of 47° north of east. To find the velocity of the 6.0 kg ball after the collision, conservation of momentum and kinetic energy can be applied. 2. A motor uses 3.7 kW of power and is 81% efficient. It is pulling a 450 kg block. Using the power and efficiency, along with the friction, the speed of the block can be calculated. 3. Two cars, one of 360 kg and one of 240 kg, collide ine

Author

Gajendra

Language

EN