vacuum tubes chicago
Please help me with my physics problems!?!?
1. Jerko the clown accidentally steps off of a 12m high plank and drops into the water below. How long does it take Jerko to reach the water?
2. Mr. Alanso tosses fluffy the hamster vertically upward and catches her from the same height at which she was tossed. At what point in fluffys path does she simultaneously experience zero velocity and nonzero acceleration?
3. In a fit of anger, a disenchanted writer drops his horrible screenplay from the top of the sears tower in Chicago. What would he the height of the building if the screenplay fell in 9.51seconds?
4. The absent minded professor drops his lucky coin in a vacuum tube, find it’s displacement after .30seconds.
5. Millie the alien is afraid of humans. While flying above planet X, it hears that the humans are coming and it drops it’s ice cream cone. If the cone falls 64m in 4 seconds, what is the acceleration due to the gravity on planet X?
1) d=vit+.5at^2 12=0+.5(9.8)t^2 t=1.565s
2) highest point
3) d=vit+.5at^2 d=0+.5(9.8)(9.51^2) d=443.1565m
4)??????
5)d=vit+.5at^2 64=0+.5(a)(4^2) a=8m/s^2
Webster Chicago Phonograph Model 130-1 ‘”Fonograf” PLEASE READ DESCRIPTION
