Question

Hey I really need help on this I don’t understand. Can you help plssssssssssss

Answer 1

5) pe=mgh=(13)(9.8)(1)=127.4J

6) pe=mgh=(15)(9.8)(3)=441J

7) pe=mgh
(pe)/(mg)=h= (100)/((5)(9.8))=2.03m

8) pe=mgh
(pe)/(mh)=h=(0)/((10)(40))=0

9)pe=mgh

h=(pe)/(mh)=(102)/((10)(10))=1.02m/s2