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A Chinook salmon can jump out of water with a speed of 7.30 m/s . How far horizontally ? can a Chinook salmon travel through the air if it leaves the water with an initial angle of ?=30.0° with respect to the horizontal? (Let the horizontal direction the fish travels be in the +? direction, and let the upward vertical direction be the +? direction. Neglect any effects due to air resistance.)

Question

A Chinook salmon can jump out of water with a speed of 7.30 m/s . How far horizontally ? can a Chinook salmon travel through the air if it leaves the water with an initial angle of ?=30.0° with respect to the horizontal? (Let the horizontal direction the fish travels be in the +? direction, and let the upward vertical direction be the +? direction. Neglect any effects due to air resistance.)

check_circleAnswer
Step 1

Path followed by the salmon will be as shown in figure below.

Y A
u 7.3 m/s
u,= 7.3 sin 30
300
A
ug = 7.3 cos 30
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Y A u 7.3 m/s u,= 7.3 sin 30 300 A ug = 7.3 cos 30

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Step 2

The horizontal distance travelled by the salmon is  OA , it is called as range R.

Rang...

(7.3)2*sin (2x30)
u2sin(20)
4.7 m
Range (R)
9.81
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(7.3)2*sin (2x30) u2sin(20) 4.7 m Range (R) 9.81

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