Answer: <em>An object at rest remains at rest, or if in motion, remains in motion at a constant velocity unless acted on by a net external force.</em>
Explanation: meaning, an object will continue in its same direction until stopped or acted upon by another force.
Answer:
Explanation:
Force on the electron = q ( v x B )
q = - 1.6 x 10⁻¹⁹
v = (5.9i−6.4j)×10⁴
B = (−0.63i+0.65j)
v x B = (5.9i−6.4j)×10⁴ x (−0.63i+0.65j)
= (3.835 - 4.032 ) x 10⁴ k
= - 1970 k
Force on the electron = q ( v x B )
= - 1.6 x 10⁻¹⁹ x -1970 k
= 3.152 x 10⁻¹⁶ k
z-component of the force on the electron
Fz = 3.152 x 10⁻¹⁶ N
The hand saw involved more work and the electric saw involved more power.
Answer:
Explanation:
The magnetic force is given by the equation,
Where 
is the angle between velocity vector and the magnetic field,
That angle is 90°.
We know as well that
F=ma, replacing the mass and the acceleration in our previous equation we have
Our values are,
Substituting,
I think the correct answer from the choices listed above is option C. A lens is transparent material with one or two curved surfaces that can refract light. A lens<span> is made of a </span>transparent material<span> having an index of refraction of 2.0. One side of the </span>lens<span> is flat, and the other convex with a radius of curvature of 25 cm.</span>
