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Some sliding rocks approach the base of a hill with a speed of 15.0m/s . The hill rises at 42.0? above the horizontal and has coefficients of kinetic and static friction of 0.440 and 0.630, respectively, with these rocks. Start each part of your solution to this problem with a free-body diagram.
Find the acceleration of the rocks as they slide up the hill. a=___________m/s^2
Once a rock reaches its highest point, will it stay there or slide down the hill?
If it slides down, find its acceleration on the way down, else enter 0.
Loretta made it known just because someone comes from poverty does not mean this is where you have to live your whole life. She was an amazing women and an inspiration to many.
A 30.0?F capacitor is charged to 210?C and then connected across the ends of a 4.20mH inductor, Find the maximum current in the inductor
Two stationary positive point charges, charge 1 of magnitude 3.65 and charge 2 of magnitude 1.80 , are separated by a distance of 58. An electron is released from rest at the point midway between two charges, and it moves along the line connecting..
Two automobiles of equal mass approach an intersection. One vehicle is travelling with velocity 13 m/s toward the east and the other is travelling north with speed v2i. Neither driver sees the other.
1) Find the net force acting on particle 3 due to the presence of the other two particles. Report you answer as a magnitude and a direction measured from the positive x axis.
If half the potential energy of this water were converted into electric energy, explain how much electric power would be produced by these falls?
Two 4.0cm × 4.0cm square aluminum electrodes, spaced 0.70mm apart are connected to a 200Vbattery, What is the charge on the positive electrode
The resultant displacement has a magnitude of 170 cm and is directed at an angle of 65.0° to the positive x axis. Find out the magnitude and direction of the second displacement.
Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship.
A basketball player grabbing a rebound jumps 73.3 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 13.1 cm of this jump and (b) in the bottom 13.1 cm? Do your results explain why such players seem to han..
why the mass of the dishwater is large enough. If vector B is added to C = 2.0 ihat + 3.0 jhat, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of C. What is the magnitude of vector B.
The current in a solenoid with 21 turns per centimeter is 0.45A, Find the magnitude of the net magnetic field a radial distance of 0.70 cm from the straight wire.
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