kat6548
kat6548
13-10-2018
Physics
contestada
I need help with these questions
Respuesta :
gleedidthat
gleedidthat
13-10-2018
7. PE=0.5×700n/m×0.9m^2
0.9^2=0.81m
0.5×700×0.81= 283.5J
8. 2000=0.5×(x)×1.5m^2
1.5^2= 0.25
0.25×0.5=0.125
2000=0.125 (x)
2000/0.125=x
x=16000 n/m
9. 4000=0.5 (375 n/m)×(x)^2
0.5×187.5 (x)
4000/187.5=21.3333333333
Answer Link
VER TODAS LAS RESPUESTAS ( 52+ )
Otras preguntas
Does darker skin color make it easier to live under sun?
Many plants have a waxy cuticle to prevent them from losing water. This is made of A. lipids. B. nucleic acids. C. carbohydrates. D. protein.
algebra :please answer #6 and show work
Brad and Wes are building a tree house.They cut a 12 1/2 foot piece of wood into 5 equally sized pieces.How long is each piece of wood. A 1/2 foot. B 2. 1/4 C 2
why is the answer to 6+1/5q=10 (20)
Why are rules crucial for a well functioning civilization? Please explain the best you can in detail.
One- sixth of the dairy cattle on a farm are in the barn. One- fourth of the beef cattle are in the barn. There are 12 dairy cattle and 16 beef cattle in the ba
Which organisms belong to more than one food chain, a snake,bird, frog,insect, or plant
Where will primary succession occur? a.in a landscape with vegetation and soil b. in a landscape with vegetation only c. in a landscape with soil only d. in a l
Which plant cell has no nucleus?
