The Accelerating Force of the Wind on a Small 200-Kg

question 43

Multiple Choice

The accelerating force of the wind on a small 200-kg sailboat is 707 N northeast.If the drag of the keel is 500 N acting west,what is the acceleration of the boat?

• A)1.5 m/s² due east
• B)2.5 m/s² due north
• C)3.0 m/s² northeast
• D)2.0 m/s² north by northwest

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Definitions:

Unstable Isotopes

Atoms with a nucleus that has an excess of energy or mass, making them decay into more stable forms over time.

Stable Isotopes

Variants of elements that have the same number of protons but different numbers of neutrons, and do not undergo radioactive decay.

Radioactive Isotopes

Radioactive isotopes, or radioisotopes, are variants of chemical elements that emit radiation due to an unstable nucleus and undergo radioactive decay.

Atomic Number

The number of protons in the nucleus of an atom, unique to each element.