In a croquet shot a pair of touching balls are hit sharply by the mallet in the direction of the dotted line which is 30° off the axis of the ball centres as shown in the figure below. At what angle e will ball A travel at after the strike assuming that the contact between the balls is perfectly elastic? OA 0° B. 30° ○ C.90° ○ D. 45° ○ E. 60° 30 0 8 Mallet Strike
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- The balls A and B in the figure are attached to stiff rods of negligible weight. Ball A is released from rest and allowed to strike B. If the coefficient of restitution is 0.6, determine the angle through which ball B will swing. If the impact lasts for 0.01 s, also find the average impact force. 10 ft 10' 60° Ih A WA 30lb b 8 ft B We-20lbQ3An object of mass m1 experiences a linear, elastic collision with a stationary object of unknown mass. In addition to m1, what is the minimum necessary information that would allow you to determine the mass of the second object? A. The final speed of object 1B. The initial speed of object 1C. The final speed of object 2D. Any 2 of the above values
- A boy slips off a spherical ice mound of radius 7. At what height above the ground does the boy lose contact with the ice? Assume the ice is frictionless.2. A cart of mass 300 g moving along a straight track hits a 500 g cart which had been sitting still. After the carts hit, the 300 g cart has a speed of 1.0 m/s back to where it came from, while the 500 g cart is moving forward at 3.0 m/s in the same direction as the 300 g cart had been going at the beginning. How fast was the 300 g cart going before it hit the 500 g cart?7-
- A 26-gg rifle bullet traveling 240 m/sm/s embeds itself in a 3.2-kgkg pendulum hanging on a 2.9-mm-long string, which makes the pendulum swing upward in an arc. a. Determine the vertical component of the pendulum's maximum displacement. Express your answer to two significant figures and include the appropriate units. b. Determine the horizontal component of the pendulum's maximum displacement. Express your answer to two significant figures and include the appropriate units.A 10 g rifle bullet is fired onto a 2 kg block of wood hanging at rest from a string attached to the ceiling. The bullet embeds onto the wood which is observed to rise a maximum height of 0.25 m. The initial velocity of the bullet is about O Vo a. 222 m/s O b. 2.21 m/s O c. 4.92 m/s O d. 444 m/s B 0 8 B