An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.45 m/s on a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 39.5 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target? m/s
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- 10. Ā = -2â + -3ŷ and B = -4â + -4ŷ. Calculate R = Ã+B. Calculate 0, the direction of R. Recall that 0 is defined as the angle with respect to the +x-axis. A. 49.4° B. 130.6° C. 229.4° D. 310.6°A 41.0 g marble moving at 2.30 m/s strikes a 29.0 g marble at rest. Note that the collision is elastic and that it is a "head-on" collision so all motion is along a line. What is the speed of each marble immediately after the collision?A 20 g ball of clay travelling west at 2.5 m/s collides with a 30 g ball of clay travelling south at 4.0 m/s. What are the speed and direction of the resulting 50 g of clay?
- Lark Brandt won a "Worlds Fastest Smash" competition in the early 2000s. His ping pong ball achieved a speed of 112.5 km/hr. If his ping pong ball had a mass of 2.7 g and hit a wooden block with a mass of 125 g and bounced back with a speed of 45.0 km/hr, what speed (in km/hr) would the wooden block have?An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.45 m/s on a smooth, slippery surface. The 22.5-g arrow is shot with a speed of 37.5 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target? m/sAn archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.35 m/s on a smooth, slippery surface. The 22.5-g arrow is shot with a speed of 42.0 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target? m/s
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