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Two charged concentric spheres have radii of 9.6 and 15.1 cm. The charge on the inner sphere is 4.09 multiplied by 10-8 C and that on the outer sphere is 2.10 multiplied by 10-8 C.
(a) Find the electric field at r = 12.4 cm.(b) Find the electric field at r = 19.9 cm.
A sinusoidal ac voltage source in a circuit produces a maximum voltage of 12.6V and an rms current of 7.50mA. Find voltage amplitude
Suppose a 76 kg person hangs vertically from a nylon rope. What radius must the rope have if its fractional enhancement in length is to be the similar as that of the spider's thread.
question a 3.4 kg object moving at 5.4 ms in the positive direction of an x axis has a one-dimensional elastic
The intrinsic impedance and the wavelength of a uniform plane wave traveling in an unknown dielectric at 3 GHz are measured to be ~ 194 Ω and ~ 5 .14 cm respectively. Determine the constitutive parameters (i.e. εr, and μr) of the material.
A 1200 kg car is traveling initially with a speed of 25.0 m/sin an easterly direction crashes into the rear end of a 9000kg tuck moving in the same direction at 20.0 m/s. What is the velocity of the truck right after the collision
A cart starts from rest at the top of the tilted track. Assume the track is frictionless. The cart passes photogate A moving at speed 5.41 cm/s, Find the magnitude of the acceleration of the cart
The middle C string on a piano is under a tension of 900 N. The period and wavelength of a wave on this string are 3.82 ms, Find the linear density of the string
A rectangular object with mass m floats in water so that a fraction ? = 0.25 is submerged. What is the density of the object
Two capacitors give an equivalent capacitance of 10.00 pF when connected in parallel and an equivalent capacitance of 1.75 pF when connected in series. What is the capacitance of each capacitor
A 10kg object is brought to the moon, where the acceleration due to gravity is only one-sixth of that on earth. What is the mass of the object on the moon
Compute direction of the plane's velocity, relative to the ground. Compute how far from its intended position it will be after 15.0 if the pilot takes no corrective action.
a certain radioisotope has a half-life of 7.45 days. what percentage of an initial sample of this isotope remains after
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