A rock it thrown vertically upward with a speed of 200 m/s. When the rock returns, falls into hd 100 m deep, What is the rock's velocity as it hits the bottom of the hole
B. How long is the rock in the air, from the instant is released until it hits the bottom of the hole

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Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

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Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90