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PAGE: 379SET: ExercisesPROBLEM: 129
Please look in your text book for this problem Statement

The distance travelled by the object is .

Where,

is inclination.

is the initial velocity.

(a)

Find when and feet/sec.

Consider .

Substitute the values and .

ft.

(b)

Consider .

Substitute the value .

Draw a coordinate plane.

Graph the function in the interval .

Graph :

(c)

Observe the graph of the function :

The value makes largest.

Convert radians into degrees :

(a)

ft.

(b)

Graph of the function is :

(c)

The value makes largest.



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