Ch. 3 3D problems

Question 1

sec^2(θ) =

Answer 1

1 + tan^2(θ)

Question 2

sin(a+b) =

Answer 2

sin(a)cos(b) + cos(a)sin(b)

Question 3

Range for a particle fired at angle θ to the horizontal =

Answer 3

sin(2θ)v^2 / g

Question 4

Force on a particle in a magnetic field

Answer 4

q(E+v x B)
q = charge (scalar)
v = velocity (vector)
B = magnetic field (vector)

Question 5

Magnetic field: set ω =

Answer 5

qB / m