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A solid uniform brick is placed on a sheet of wood. When one end of the sheet is raised , you observe that the maximum that the angle ? can be without tipping over the brick is 49.6° (btween the board and the floor). There is enough friction to prevent the brick from sliding. What is the width w of the brick?
At its highest temperature, a space heater has a resistance of 19.5 ohm, find the average power output of the space heater
a 4-omega and 6-omega resistor are connected in series to a battery with V=12V. Calculate the power dissipated in the 6-omega resistor
An athlete at the gym holds a 1.2 kg steel ball in his hand. His arm is 64 cm long and has a mass of 4.0 kg. Evaluate the magnitude of the torque about his shoulder if he holds his arm straight, but 30 degrees below horizontal?
In a non-uniform gas, the equation of state is valid locally, as long as the density does not change too rapidly with position. Consider a column of ideal gas under gravity at constant temperature. Find the density as a function of height, by bala..
A small monkey is traveling along a branch, What is the max speed of the monkey during this interval? Show all calculations
Two 2.40cm--diameter disks spaced 1.90mm apart form a parallel-plate capacitor. determine the electron's speed as it left the negative plate
Illustrate what is the maximum vertical displacement that he ball reaches during its trajectory?
Before throwing a 1.49 kg discus, an athlete rotates it along a circular path of radius 1.18 m. The maximum speed of the discus is 25.7 m/s.
You then maintain a constant speed of 65.0 mph. You pass the patrol car 16 seconds after you at first applied the brakes and are relieved that he doesn't pull out after you. How far away was the highway patrol car when you first saw it.
he lower block in the figure is pulled on by a rope with a tension force of 20 N. The coefficient of kinetic friction between the lower block & the surface is 0.30. The coefficient of kinetic friction between the lower block & the upper block is a..
How would you determine the density of an irregularly shaped rock, Is buoyant force a conservative force
Playing near a road construction site, a child falls over a barrier and down onto a dirt slope that is angled downward at 42° to the horizontal, What is the coefficient of kinetic friction between the child and the slope
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