A240 kg motorcycle moves with a velocity of 8 m/s. what is its kinetic energy?

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th