An inclined ramp has a height(rise) of 0.250 and a horizontal distance(run) of 1.25

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

Determine the maximum r-value of the polar equation r =3+3 cos 0

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?