A Bullet with a Mass of 20 G and a Speed

question 29

Multiple Choice

A bullet with a mass of 20 g and a speed of 960 m/s strikes a block of wood of mass 4.5 kg resting on a horizontal surface.The bullet gets embedded in the block.The speed of the block immediately after the collision

• A)cannot be found because we don't know whether the surface is frictionless.
• B)is 0.21 km/s.
• C)is 65 m/s.
• D)is 9.3 m/s.
• E)None of these is correct.

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Definitions:

Reading

involves the process of decoding symbols (like letters and words) to derive meaning, a fundamental skill for acquiring knowledge and information.

Focused

Having or displaying sharp concentration on a particular aim, task, or subject, paying careful attention to details.

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Visual Cortex

The part of the cerebral cortex responsible for processing visual information, located in the occipital lobe of the brain.