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A transverse wave on a string has an amplitude of 0.223 m and a frequency of 194 Hz. Consider the particle of the string at x = 0 m. It begins with a displacement of y = 0 mwhen t = 0 s. How much time passes between the first two instants when this particle has a displacement of y = 0.114 m?
A 21.0 g copper ring at 0.000°C has an inner diameter of D = 2.54000 cm. An aluminum sphere at 108.0°C has a diameter of d = 2.54508 cm, What is the mass of the sphere
A flower pot on a balcony railing falls to the ground 8.63m below. A cat directly beneath the pot sees it begin to fall. How long does cat have to move.
The rod is initially at rest and oriented horizontally and then released so that it swings to the bottom. Illustrate what are all the forces acting on the rod?
A diving board length = 5.60 that weighs 250 is supported by two pillars. One pillar is at the left end of the diving board; the other is distance = 1.65 away. Determine the magnitude of the force exerted by the left pillar while an 80.0 diver sta..
A person walks 25.0 degrees north of east for 3.1 km. How far would another person walk due north and due east to arrive at the same location.
A double speed trap is set up on a freeway. One police cruiser is hidden behind a billboard, and another is some distance away under a bridge. As a sedan passes by the first cruiser, its speed is measured to be 99.7 mph.
A loudspeaker of mass 19.0 kg is suspended a distance of = 1.60 m below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30m . What is the tension in each of the cables.
A cardiac pacemaker can be affected by the static magnetic field as small as 1.7 mT. How close can a pacemaker wearer come to a long, straight wire carrying 19 A.
An unmarked police car travelling a constant 95 km/h is passed by a speeder travelling 145km/h. Precisely 1 s after the speeder passes, the police officer steps on the accelerator.
Assume the balloon and rod to be point charges. The Coulomb force constant is 1/(4? ?0) = 8.99 × 10^9 N·m2/C2 and the acceleration due to gravity g = 9.81 m/s2.
suppose the apparatus as used in this lab: A cube of mass M = 500 g and side length 30 mm is free to spin on an axis through the center of one face. A massless pulley on this axis has a diameter of 2r = 10 mm. An object with m = 50 g is hung from ..
Illustrates the difference between acceleration and velocity
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