chemistry
Cadmium telluride (CdTe) is a semiconductor witha band gap, Eg, of 1.45 eV. Calculate the value of the absorption edge of this material. Express your answer in meters.
physics
A 300 g piano is being lifted at a steady speed from the ground level straight upward to an apartment 15 m above the ground. The crane that is doing the lifting produces a steady power of 500 watts. How much time does it take to lift the piano?
physics
what force is necessary to stop a 20 g bullet moving at 200 m/s as it penetrates a wood at a distance of 4 m?
Reading
Hurry! Run A (meteor/meterorite) has just hit the beach.
Reading
Hurry! Run A (meteor/meterorite) has just hit the beach.
DRAMA
thanks alot! :) all answers are correct:)))
college algebra
4x^2 + 11x
college - phonetics
how do you transcribe the "th" sound in "SLP language"?
science
Describe a contact force and a noncontact force that affect the motion of a baseball after a pithcher has thrown the ball.
science
Can you name four type of erosion that may be out side in a park or in your backyard?
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