A 1.0-Kg ball is thrown into the air with an initial velocity of 30. m/s. a. How much kinetic energy does the ball have?

450 J

Explanation:

The formula to use is K = 1/2mv²

[] The mass of our ball is 1 kg

-> The velocity of our ball is 30 m/s

K = 1/2mv²

K = 1/2(1)(30)²

K = 1/2(900)

K = 150 J

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- Heather

land

explanation:

australia is the flattest continent, and it has vast plains.