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Question: A stone is dropped from the top of a cliff. The splash it makes when striking the water below is heard 3.0s later.
Question 1: How high is the cliff?
m=_____?
For some reason I keep getting it wrong I don't know if it's a calculation error. Please show your work so I can see what I'm doing wrong with this above question.
if we have an electron orbiting an atomic nucleus. we may think the electron is doing a circular motion around the
Find (a) magnitude and (b) direction of A - B. (Give the direction as a positive angle with respect to due east). Find out the (c) magnitude and (d) direction of B - A. (Give the direction as a positive angle with respect to due west).
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.947 rad/s. Calculate the total angular momentum of the system
You are working on a project to determine the density of asteroids in order to figure out what minerals they might contain for mining. You figure out the volume fairly easily from images of the asteroids taken from various angles. Determine the ma..
A very long, thin rod carries electric charge with the linear density 28.0 nC/m. It lies along the x axis and moves in the x direction at a speed of 15.0 Mm/s. Find the electric field the rod creates at the point.
Assume that by stirring 509 g of water you are able to increase its temperature from 19.0° C to21.0° C. Discover the increase in the water's entropy.
A proton accelerates from rest through 1500 volts. the proton then enters a region of space where the magnetic field is 0.3 tesla (and this field is perpendicular to the velocity). calculate the radius of the resulting circular motion?
a charged particle of mass 4.20 x 10-2 kg and charge 7.60 x 10-5 c moves from equipotential surface a at a potential of
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 6.74x10-2 kg/s. find the speed at which gasoline moves through the fuel line
A 15 meter, 478 Newton uniform ladder rests against a frictionless wall, making an angle of 60.0 degree with the horizontal. Compute the horizontal and vertical forces exerted on the base of the ladder by the Earth when a 770 Newton fire fighter is ..
The resistance of an electric stove element at operating temperature is 11 \Omega. If 220 V are applied across it, what is the current during the stove element? How much energy does the element convert to thermal energy in 30.0 s?
A potential cannon is created to shoot charged balls straight upward. What is the maximum height, above the end of the cannon, it will reach
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