6. A human cannonball at a circus is shot at an angle of 65.0" above the horizontal and at a m speed of 9.20 If he leaves the cannon 2.00 m above the ground and lands in a net 4.00 m above the ground, for what length of time is he in the air? (NOTE: He lands in the net on the way down.)

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Q: kilometers

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.