A 34-Kg Child on an 18-Kg Swing Set Swings Back $4.9 \mathrm {~m}$

question 15

Multiple Choice

A 34-kg child on an 18-kg swing set swings back and forth through small angles. If the length of the very light supporting cables for the swing is $4.9 \mathrm {~m}$ how long does it take for each complete back-and-forth swing? Assume that the child and swing set are very small compared to the length of the cables.

• A)4.4 s
• B)4.8 s
• C)5.3 s
• D)5.7 s

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Definitions:

Arthritis

Arthritis is a term for conditions that cause inflammation and stiffness in the joints, leading to pain and mobility issues.

Synovial Membrane

A specialized connective tissue that lines the inner surface of capsules of synovial joints and tendon sheath, making synovial fluid to lubricate and reduce friction.

Articular Cartilage

A smooth, white tissue that covers the ends of bones where they come together to form joints, reducing friction and absorbing shock.

Fibrous Capsule

A dense tissue layer that surrounds certain organs, providing support and protection.