Answer:
1) The acceleration will be g = 9.8 m/s²
2) F = Wsinα = mgsinα = 400kg·9.8m/s²·1/2 = 2000N
Answer:
The correct answer is kinetic energy. :) hope this helps!
Explanation:
Simply, apply the formula
and insert the values of m = mass, v = velocity and E = Energy.
The result will be
, m = 1 kg
Answer:
Explanation:
individual and then net
hope that helps I could be wrong about this one though
Answer:
Explanation:
We are given that
Diameter of wire=d=4.12 mm
Radius of wire=
Current=I=
Drift velocity=
We have to find the density of free electrons in the metal
We know that
Density of electron=
Using the formula
Density of free electrons=
By using Area of wire=
Density of free electrons=