Answer:
Explanation:
The beam of positively charged particles would not be deflected if the electric force acting on them is equal to the magnetic force:
where
q is the charge of the particles
E is the magnitude of the electric field
v is the speed of the particles
B is the intensity of the magnetic field
is the angle between the direction of v and B
Since the beam of particles travels perpendicular to the magnetic field, we have 
. So, we can rewrite the equation as
where
Substituting into the formula,
Answer:
8000 kg/cm^3
Explanation:
The density formula is P = M/V
Density = P = ? expressed in kg/m^3
M = mass = 40,000 kg
V = volume = 5 m^3
P = 40,000/5
P = 8000 kg/m^3
Explanation:
μ = coefficient of friction.
F = Frictional force = 12N
R = Normal reaction = mg = Weight = 240N
m = mass
g = acceleration due to gravity ≈ 9.8ms—²
μ = F/R
<em>μ </em><em>=</em><em> </em><em>1</em><em>2</em><em>/</em><em>2</em><em>4</em><em>0</em>
<em>μ </em><em>=</em><em> </em>¹/20
μ = 0.05
Mountains can form many ways. a few are when divergent plates move abort and lava comes through the crack evenly forming up to what Hawaii is today. Another is when convergent plates collide moving upward forming mountains.
