A Girl Throws a Rock Horizontally, with a Velocity of 10

question 7

Multiple Choice

A girl throws a rock horizontally, with a velocity of 10 m/s, from a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before striking the water, assuming negligible air
Resistance?

• A) 16 m
• B) 24 m
• C) 20 m
• D) 14 m

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Definitions:

Soleus

A muscle in the calf of the leg that flexes the foot to point the toes downward.

Tibialis Anterior

A muscle located in the front of the shin that helps in dorsiflexion and inversion of the foot.

Adducts Thigh

The action performed by muscles that move the thigh inward toward the midline of the body.

Flexes Knee

The action or movement that decreases the angle between the femur and the lower leg, typically performed by muscles like the hamstrings.