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A 1kg box is given a quick push (from rest) up a ramp angled at 30° to the horizontal, using a spring mechanism of spring constant k = 4000 N/m, initially compressed by 0.1m. The box slides up the ramp with a coefficient of kinetic friction of 0.4 until it comes to a halt. What total distance D along the slide does the box travel before it stops? I found the acceleration from the forces and now I am stuck when finding the distance.
A parallel-plate capacitor has square plates of edge length1.9 cm and a plate spacing of0.030 mm. If the gap between the plates is a vacuum, what is the capacitance?
Two bullets from opposite sides collide in midair during battle. What fraction of the original kinetic energy was lost in the collision
A 3-kg sphere makes and inelastic collinsion with a second sphere initially at rest. What is the mass of the second sphere
A circular surface with a radius of 0.062 m is exposed to a uniform external electric field of magnitude 1.55 104 N/C, What is the angle between the direction of the electric field and the normal to the surface
Light is emited from an ordinary lightbulb filament in wave-train bursts about 10^-8s in duration. What is the length in space of such wave trains
Positively charged aluminum ion, Al3+, has a mass of 4:50 1026 kg. After being accelerated through a potential dierence of 650 V, the ion enters a magnetic eld of 0.500 T, in a direction perpendicular to the eld. Calculate the radius of the path o..
The position of the spindle DE of a lift truck is partially controlled by two identical linkage-and-hydraulic-cylinder systems, only one of which is shown. A 3000-lb spool of electric cable is held by the spindle in the position shown. Knowing tha..
During the time 0.26 mol of an ideal gas undergoes isothermal expansion at 558 K, 293 J of work is done by it on its surroundings. If the inital volume is 2.7 m3, what is the final volume?
A basketball player practices shooting three pointers from a distance of 7.63 m from the hoop, At what initial speed must he shoot to make the basket
You need to push a box across the room. which side of the box should be the side down on the floor
A 73.0-μF capacitor is connected to a generator operating at alow frequency. The rms voltage of the generator is 3.00 V and isconstant. A fuse in series with the capacitor has negligibleresistance and will burn out when the rms current reaches 17...
A 1.0-kg block of ice is initially at 0°C. Heat is added to this system, and the entropy is increased by 357.1 J/K. How much of the ice melts
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