Gravity is pulling everything down . Without it, we all would be floating.
Answer:
0.00000019631 meters
Explanation:
Rearrange Fg=(Gm1m2)/r^2 for r
You get r=sqrt((Gm1m2)/Fg)
G=6.674*10^-11
r=sqrt((6.674*10^-11)(0.13)(0.2)/45)
r=0.00000019631 meters, or 0.00019631 mm
Answer:
Explanation:
energy stored in spring initially
= kinetic + potential energy of block + energy dissipated by friction
= 1/2 mv² + mgh + μ mgcosθ x d
m is mass , v is velocity at top position , h is vertical height , μ is coefficient of friction ,θ is angle of inclination of plane
= m (1/2 v² + gh + μ gcosθ x d )
= 1.05 ( .5 x 5.1² + 9.8 x 4.9 sin35 + .55 x 9.8 cos35 x 4.9 )
= 1.05 ( 13.005 + 27.543 + 21.635)
= 65.3 J .
Conduction is slower in liquids and gases.
Liquids it is convection which transmits more heat.. quicker...
Materials which are good conductors of thermal energy are called thermal conductors.
metals are good thermal conductors.
