A 16-Kg Ball Is Attached to the End of a 0

question 26

Multiple Choice

A 1.6-kg ball is attached to the end of a 0.40-m string to form a pendulum. This pendulum is released from rest with the string horizontal. At the lowest point of its swing, when it is moving horizontally, the ball collides with a 0.80-kg block initially at rest on a horizontal frictionless surface. The speed of the block just after the collision is 3.0 m/s. What is the speed of the ball just after the collision?

• A) 1.7 m/s
• B) 1.1 m/s
• C) 1.5 m/s
• D) 1.3 m/s
• E) 2.1 m/s

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Definitions:

Isomers

Compounds with the same molecular formula but different structural formulas, resulting in different physical and chemical properties.

Double Bond

A type of chemical linkage connecting two chemical elements, which uses four bonding electrons instead of the standard two.

Alkene

Hydrocarbons that contain a carbon-carbon double bond, involved in various chemical synthesis processes.