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A 70 kg high-jumper launches himself in the air with an upward momentum of 315 kg-m/s. What is his initial velocity? A. 4.5 m/s upward B. 9.8 m/s downward C. 70.0 m/s downward D. 385 m/s upward
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A 70 kg high-jumper launches himself in the air with an upward momentum of 315 kg-m/s. What is his initial velocity? A. 4.5 m/s upward B. 9.8 m/s downward C. 70.0 m/s downward D. 385 m/s upward

User Zyrup
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pls don't mind my writing. hope this helps you tho
A 70 kg high-jumper launches himself in the air with an upward momentum of 315 kg-example-1
User Dipesh Gupta
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