Questions by Jocke Med Kniven

Questions by Jocke Med Kniven

Can someone explain to me why the answer is 3cos3x (it has something to do with chain rule i think)

asked Jul 15, 2020

1 answer

2 votes

229k views

In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 17.0 m/s . The batter hits the ball, and it leaves his bat with a speed of 25.0 m/s in exactly the opposite direction.

asked Jul 6, 2020

2 answers

4 votes

152k views

One number is 20 more than another. If the the greater number is increased by 4, the result is five times the smaller. Find the two numbers

asked Jun 3, 2020

1 answer

1 vote

53.4k views

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