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The motion of a particle is described by the equation x 5=5 sin 2t + 4 cos 2t, where x is expressed in meters and t in seconds. Determine
(a) the period of the motion,
(b) its amplitude,
(c) its phase angle.
Three capacitors are connected in series. The equivalent capacitance of this combination is 2.60, What is the third capacitance (in F)
Yoy are presented with a coaxial cable of length L. The inner core has a uniform charge distrubution throughout its radius, Find the Electrostatic Potential in all radial regions
Putting the origin on the ground in the center of the arch and the yaxis upward, find an approximate equation for the arch given the dimensions shown in Figure 3.39. (In other words, find a and b.)
A rescue helicopter lifts a 85.3-kg person straight up by means of a cable. calculate how much work done by the persons weight
I am very hungry and want the noodles to cook faster, so I turn up the heat from medium to high. What happens to the time it takes for my noodles to cook, and the temperature of the boiling water?
a 3.5kg block is accelerated by a (horizontally) compressedspring whose spring constant is 640 N/m. What is the maximum kinetic energy of the block
A hydrogen atom that is initially at rest absorbs a photon with energy of 49.4 eV. What is the momentum of the atom after it absorbs the photon?
Use the data of Table 7.3 to find the point between Mars and the Sun at which an object can be placedso that the net gravitational force exerted by Mars and Sun on this object is zero.
A somewhat longer cable replaces the old and is attached to the steel bar 5 m from its upper end, connecting to the same place on the wall as before and maintaining the same angle between the bar and the wall.
A photon of wavelength 0.45000nm strikes a free electron that is initially at rest, What is the speed of the recoil electron after the collision
An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.20 m/s on a smooth, What is the speed of the arrow after passing through the target
A mass of 1.61kg stretches a vertical spring 0.31m. If the spring is stretched an additional 0.132m and released, how long does it take to reach (new) equilibrium position again.
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