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A 1.1-kg 20-cm-diameter solid sphere is rotating about its diameter at 69 rev/min.
a) What is its kinetic energy?b) If an additional 5.0 mJ of energy are supplied to therotational energy, what is the new angular speed of the ball (inrev/min)?
a bat can detect small objects such as an insect whose size is approximately equal to one wavelength of the sound the
A steel wire with mass 29 g and length 1.23 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. (a) Compute the linear density of the string. kg/m (b) What velocity wave on the string will produce the desired fundamen..
On a clear night a laser rotated at an angular velocity of 1 radian s-1 produces a spot of light that is visible on Jupiter, 600 x 106 km distant. How fast does the spot of light move across Jupiter? Does this violate the theory of relativity? Exp..
A 0.63 kg block attached to a spring with force constant 110 N/m is free to move on a frictionless, At that instant, find the force on the block
A charge of -2.82 μC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.118 m). The charges on the circle are -4.04 μC at the position due north and +5.11 μC at the position due east.
A sheet of an unknown material that is 1.223 +/-.003 micrometers thick is suspended in air. What is the index of refraction of the material
a steel cylinder of mass 0.325 kg is tied to a string and allowed to revolve in a circle of radius 1.15 m on a
A concrete highway curve of radius 60 m is banked at a 13.0^circ angle. What is the maximum speed with which a 1300 kg rubber-tired car can take this curve without sliding? (Take the static coefficient of friction of rubber on concrete to be 1.0.)
An electron in a 1-D box of length 0.100 nm, Find the energies of the four lowest states that have energies above the ground states
A sample of isotope of 131 Iodine (half-life of 8.04 days) has activity of 5.8 mCi at the time of shipment. How much time has elapsed between the two measurements
q1. a 238 g particle is released from rest at point a inside a smooth hemispherical bowl of radius 32.5 cm.compute the
Determine the location of the center of mass of the molecule as measured from the hydrogen atom (Chlorine is 35 times more massive than hydrogen.).
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