trigonometry
how to solve sin 4x= cosx(4 sinx - 8 sin ^3x)
physics
Romeo is tossing pebbles at Juliet's window and wants the pebbles to hit the window gently, with only a horizontal component to their velocity, as they hit the window. He is standing at the edge of a rose garden 4.5m below her window and 5.0m from the base of the wall. ---...
Physics
You toss a coin straight up into the air. Sketch the velocity-time and acceleration-time graphs of the coin from the instant it leaves your hand until the instant it returns to your hand. Assume that the positive y direction is upward. Indicate on your graph the moment when th...
English: Ms. Sue
Ms. Sue you've helped out in the past haha maybe you can help me again :D we learned about objective and subjective opinions authors may have today and although I got every other question, I can't seem to figure out the following three: tell the objective and subjectiv...
English
I'm sorry I don't think I'm following. I re-read the sentences and it's obv that the answers aren't meant to be clear, but I'm finding it hard to distinguish the difference. am I supposed to separate the sentences "in half" with a part being s...
English
we learned about objective and subjective opinions authors may have today and although I got every other question, I can't seem to figure out the following two: tell the objective and subjective opinion in each statement and list if the subjective opinion is explicit or im...
college physics
Three glass Christmas balls become electrically charged when Noel removes them from the packaging material in their box. Noel hangs the balls on the tree 0.2m apart at an angle of 60 degree from each other. If each ornament has aquired a charge of 2 x 10^-10C, What is the magn...
college physics
Three identical charges (q = +5.0mC) are along a circle with radius of 2.0m at angles of 30, 150, and 270 degrees. What is the the resultant electric field at the center?
college physics
A ray of light traveling in air strikes the midpoint of one face of an equiangular glass prism (n = 1.50) at an angle of exactly 30 degrees. a)Trace the path of the light ray through the glass, and find the angle of incidence of the ray at the bottom of the prism. b) Will the ...
college physics
The deepest section of ocean in the world is the Mariana Trench, located in the Pacific Ocean. Here, the ocean floor is as low as 10,918m below the surface. If the index of refraction of water is 1.33, how long would it take a laser beam to reach the bottom of the trench?
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