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A string of 0.035 kg and a length of 4.8 m must be tightened to speed a wave pulse at a speed of 110 ms -1. An experimenter would like to create two loops with a frequency generator. What frequency must be used if the distance from the wall to the pulley is d = 1.3 meters?
A flight of stairs is about 3.0 m tall. How much work to you do carrying a 5.0 cake up three flights of stairs? You may assume that you do so at constant speed.
A positive and a negative particles enter magnetic field at the same angle and with the same velocity. How different would be the path of each particle
A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 8.0 µC/m2. Find the net charge on the sphere
A charge of 27.0nC is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 N/C. What work is done by the electric force
Some amusement park rides move you back and forth in the horizontal direction. Why is this motion so much more disturbing to your body than cruising at a high speed in a jet airplane.
If a iron core of a collapsing star initially spins with a rotational frequency of fo=3.4 per second and the core radius decrease during the collapse by a factor of 24. what is the rotational frequency of the iron core at the end of collapse
A resistor, capacitor and inductor are connected in series to an ac source with a frequency of 30 Hz and an rms potential of 40 V. What is the resonance frequency for this circuit
Express the magnitude of the force exerted by water on the person's head F at the depth h in terms of P and A. 25% Part (d) Calculate the numerical value of F.
An airplane with a speed of 97.5m/s is climbing upward at an angle of 50.0 degree. find the angle of the velocity vector of the package just before impact
Show transcribed image text The photoelectric threshold frequency of cesium is 5.2 * 10^14 Hz. What is the minimum energy required to remove an electron from this element?
Part A What is the wavelength of the light? Express your answer with the appropriate units.
Neutron stars consist only of neutrons and have unbelievably high densities. Find the density of such a star
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