Abullet of mass 0.02070 �� collides inelastically with a wooden block of mass 28.00 ��, initially at rest. after the collision the, system has speed of 1.180 �/�. (a) what was initial speed of the bullet? (b) what fraction of energy was transformed to other forms of energy?

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Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.

Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)