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If the initial oscillation of the pendulum has an amplitude of 2.5 m, determine what is the amplitude of oscillation after 20 second?
A sphere of mass 3.00 g is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 28.0° with the vertical. Determine the tension in the cord
A mass is stretched 4 centimeters from the equilibrium position of a spring. If the displacement is doubled, what can be concluded about the restoring force? A. It is halved. B. It is doubled. C. It stays the same. D. It is increased by 4. E. It i..
an electron in an x-ray machine is accelerated through a potential difference of 1.00 times 104 v before it hits the
A proton is bent into a circular path of radius 4 meter by a magnetic field of 0.3 T. The momentum of the proton is 360 MeV/c. Determine what is its kinetic energy
question a spacecraft moving away from earth emits a 4346 hz signal. a scientist on earth measures the signal to be
Two 1.0 g beads, each charged to +5.0 nC, are 2.0 cm apart. A 2.0 g bead charged to -10 nC is exactly halfway between them. What are the speeds of the positive beads
When blowing across a narrow mouth glass, the less wter in theglass the deeper the frequency heard, but if the top of the glessis rubbed to produce the less water, the higher frequency, why?
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 21.0 m/s. How long after being released does the stone strike the beach below the cliff
A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.0 V when it is delivering 22.0 W of power to an external load resistor R.
A diverging lens (f = –12.0 cm) is located 19.0 cm to the left of a converging lens (f = 27.0 cm). A3.00-cm-tall object stands to the left of the diverging lens, precisely at its focal point.
A particle moves at a constant acceleration along the curve x2 = x1/100 from point A to point B. The velocity of the particle at A is 10 m/sec, and 10 sec later at point B it is traveling at 50 m/sec. Determine the total acceleration of the particle ..
A rope is used to pull a 4.56 kg block at constant speed 5.47 m along a horizontal floor. find the work done by the rope's force
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