A River 100 M Wide Flows Due South at 1

question 44

Multiple Choice

A river 100 m wide flows due south at 1 m/s. A boat that travels 1 m/s relative to the water is pointed due east as it crosses from the west bank. The boat reaches the east bank

• A)due east of its starting point.
• B)100 m farther south.
• C)141 m farther south.
• D)none of the above

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Definitions:

Lumbar Puncture

A medical procedure involving the insertion of a needle into the lower back to collect cerebrospinal fluid for diagnostic purposes.

Dorsal Rami

Branches of spinal nerves that innervate muscles, joints, and skin of the back.

Motor And Sensory Fibers

Nerves that carry both motor (movement-related) and sensory (sensation-related) signals between the brain, spinal cord, and the rest of the body.

Spinal Nerves

Nerves that originate in the spinal cord and branch out to various body parts to transmit motor, sensory, and autonomic signals between the spinal cord and the body.