how fast, (vqx)f, will the quarterback be moving backward just after releasing the ball?

By Allen Kazadi

An 80- quarterback jumps straight up in the air right before throwing a 0.43- football horizontally at 15 . How fast will he be moving backward just after releasing the ball? Suppose that the quarterback takes 0.30 to return to the ground after throwing the ball. How far d will he move horizontally, assuming his speed is constant?

Answer:

a) the quarterback will be moving back at speed of 0.080625 m/s

b) the distance moved horizontally by the quarterback is 0.0241875 m or 2.41875 cm

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