A Projectile Is Fired Over a Horizontal Surface at an Angle

question 25

Multiple Choice

A projectile is fired over a horizontal surface at an angle of elevation of 70°. Neglecting air resistance, what are possible angles in flight between the acceleration vector and the velocity vector?

• A) 170 \(\degree\) and 40 \(\degree\)
• B) 120 \(\degree\) and 70 \(\degree\)
• C) 90 \(\degree\)and 15 \(\degree\)
• D) none of the above

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Definitions:

Stanines

A method of scaling test scores on a nine-point standard scale with a median of five and a standard deviation of approximately two.

Audiation

The mental process of hearing or comprehending music in the mind without the actual physical presence of sound.

Musical Aptitude

The inherent ability or potential to learn music and musical concepts such as pitch and rhythm easily.

Musicology

The scholarly study of music, encompassing its history, theory, and cultural contexts.