B. It moves substances against a concentration gradient. It requires energy from the cell to.
Hope this helps :)
When a current is passed through a coil of wire with a piece of iron inside, the one that will be formed is :
an electromagnet
It happens when a soft metal core made into magnet by passage of electric current
hope this helps
Answer:
restoring force is 2 N
Explanation:
given data
angle pulled = 5°
force = 1 N
pulled = 10°
to find out
restoring force
solution
we know here force
force = m×g×sinθ ..........1
so here θ is very small so sinθ = θ
1 = mg(5)
mg = 1 /5 ..................2
and
now for 10 degree
we know here θ is small so sinθ = θ
so from equation 1
force = m×g×sinθ
put equation 2 here
force = 1/5 × 10
force = 2 N
so restoring force is 2 N
Well....t usually stands for time and the unit seconds proves that
Answer:
h = 0.288m
Explanation:
Assume
= Speed of Sue
= Speed of Chris immediately after the push
Sue's KE = 
now she swings this is converted into gravitation at PE of
mg n = 52 × 9.8 × 0.65
= 331.24
= 331.24
So, 
They started at rest by conservation of momentum in case of push off the magnitude of sue momentum and it is equal to the magnitude of Chris momentum in the opposite or inverse direction



Chris kt = 
= 220.827
220.827 = mgh
So, h = 0.288m