A 75-Kg Swimmer Dives Horizontally Off a 500-Kg Raft

question 7

Multiple Choice

A 75-kg swimmer dives horizontally off a 500-kg raft.The diver's speed immediately after leaving the raft is 1.6 m/s.A micro-sensor system attached to the edge of the raft measures the time interval during which the diver applies an impulse to the raft just prior to leaving the raft surface.If the time interval is read as 0.20 s,what is the magnitude of the average horizontal force by diver on the raft?

• A) 900 N
• B) 450 N
• C) 600 N
• D) 1500 N

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Definitions:

A Horizon

The A Horizon refers to the top layer of soil rich in organic matter and minerals, essential for plant growth.

O Horizon

The uppermost layer of soil, rich in organic material, such as decomposed leaves and plants, contributing to soil fertility and health.

C Horizon

The layer of soil beneath the B horizon, composed of larger unweathered rocks and mineral particles, and is less affected by the soil-forming processes.

Vascular Plants

A large group of plants that possess vascular tissues (xylem and phloem) for the transport of water, nutrients, and sugars throughout the plant.