PE = mgh
Plug in the values
543 J = m * 9.8 * 10
543 = m * 98
Divide both sides by 98
m = 5.54 kg
Pretty much trade. You give vendor money or currency in return they give you the thing you paid for.
Answer: I helped LOL
Step-by-step explanation:
Answer:
-1
Step-by-step explanation:
-5-15+4+15
=-20+19
=-1