First of all, we need to calculate the magnetic field generated by the wire at a distance r=3.90 cm=0.039 m, which is given by:

where I=8.60 A is the current. Substituting numbers in the equation, we find

And now we can calculate the force exerted on the electron, which is given by:

where
is the charge of the electron and
is its speed. Substituting data in the formula, we find

The impact front the fall, depending on the distance, has an effect on the impact of their bones crushing with the pressure from the fall.
Answer:
Explanation:
Liquid water changes to water vapor when it evaporates or boils. The gas inside the bubbles of boiling water is water vapor. Water vapor can change back into liquid water when it cools down. Water vapor is always invisible.
Answer:
4 s
Explanation:
u = 19.6 m/s, g = 9.8 m /s^2
Let the time taken to reach the maximum height is t.
Use first equation of motion.
v = u + at
At maximum height, final velocity v is zero.
0 = 19.6 - 9.8 x t
t = 19.6 / 9.8 = 2 s
As the air resistance be negligible, is time taken to reach the ground is also 2 sec.
So, total time taken be the ball to reach at original point = 2 + 2 = 4 s