PLEASE HELP! 15 points! 7. Jake is bowling with a 8 kg bowling ball. He rolls the ball at 7 m/s, and it hits one stationary pin
with a mass of 2 kg. The pin goes flying forward at 12 m/s. How fast is the bowling ball now
traveling?

please show steps how you got the answer, I will report answers if you just put something for points

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

The two required components for a generator are