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A proton accelerates from rest in a uniform electric ?eld of 677 N/C. At some later time, its speed is 9.4 × 10 5 m/s. Given that the magnitude of the acceleration was found to be 6.5 x 10^10 m/s2 and the time it took to reach this speed is 14.4 microseconds,
how far has it moved in this time interval? Also,
what is its kinetic energy at the later time?
What is the radius of curvature of the mirror. How far would it coast before starting to roll back down.
A playground merry-go-round of radius R = 1.80 m has a moment of inertia I = 255 kg · m2 and is rotating at 9.0 rev/min about a frictionless vertical axle. What is the new angular speed of the merry-go-round
A 20-kg block and a 10-kg ball are hung from the ceiling through a pulley as shown below, calculate the acceleration of the ball and the block
blocks are lined up in a row on a frictionless table. How much force does the 8.0 block exert on the 7 block.
Make use of the data in appendix B to determine how much the volume of the water will change. For a tank diameter of 2 ft, would the corresponding change in water depth be very noticeable
A glass is half-full of water, with a layer of vegetable oil (n = 1.47) floating on top. Determine the critical angle for the oil-water interface
You are given three capacitors, with capacitances 0.0075 µF, 12000 pF, and 0.029 µF, what is the maximum and the minimum voltage difference would they make when charged to 130 µC
A series RLC circuit with L = 15 mH, C = 3.1 F, and R = 4.7 is driven by a generator with a maximum emf of 120 V and a variable angular frequency 8700. Find out phase angle (in degrees).
Your friend's car is broken and you volunteer to push it to the nearest repair shop which is 2.0 km away. what is the normal force between the two bumpers
A plane is headed east with an air speed of 205.0 m/s. The wind blows southeast at 32.0 m/s. Determine the velocity of the plane relative to the earth.
The SI units of mass density are kg/m3, but there are several other common units. One of the most commonly used units of mass density is gram per cubic centimeter, or g/cc. What is the buoyant force on the mass
The parallel metal plate of a capacitor is detached by a distance of 0.5cm and is connected to a 90v battery. Find the electric field between them and surface charge density on the plate.
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