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Two spherical shells have a common center. A -1.00x10-6 C charge is spread uniformly over the inner shell,which has a radius of 0.050 m. A +5.00 x10-6 C charge isspread uniformly over the outer shell, which has a radius of 0.15m. Find the magnitude and direction of the electric field at adistance (measured from the common center) of(a) 0.20 m,E = (b) 0.10 m,E = (c) 0.025 m.E =
A girl delivering newspapers covers her route by traveling 9.99 blocks west, 4.00 blocks north, and then 1.00 blocks east
An air-track glider attached to a spring oscillates between the 12.0cm mark and the 63.0cm mark on the track. What is the maximum speed of the glider
suppose that each vehicle is initially moving at 8.60 m/s and that they undergo a perfectly inelastic head-on collision. what force does the seat belt exert on each driver
A 210g ball is dropped from a height of 1.8m and bounces on a hard floor. How high does the ball rebound
Two batteries are connected in parallel to power a wheelchair. find the current provided to the motor
A diathermy machine, used in physiotherapy, generates electromagnetic radiation that gives the effect of "deep heat" when absorbed in tissue. What is the wavelength of this radiation
A police investigator measures straight skid marks 29.0 m long in an accident investigation. Assuming a friction force and car mass the same as in the problem above, what was the minimum speed of the car when the brakes locked
A small block with a mass of 0.120kg is attached to a cord passing through a hole in a frictionless, horizontal surface. The block is originally revolving at a distance of 0.50 m from the hole with a speed of 0.70m/s. The cord is then pulled from ..
a 0.0250 kg bullet moving horizontally at 450 ms embeds itself into an initially stationary 0.500 kg block. the
A uniform 7.6 kg ladder is leaning against a frictionless vertical wall, with which it makes a 15 deg angle. how massive a person would make the ladder slip
An unknown mass of tin is heated to a temperature of 218 C. It is placed into 200 g of water which is in a 100 g copper cup initially at 10 C. What is the heat lost by the sample of tin
A 3-m2 hot black surface at 80°C is losing heat to the surrounding air at 25°C by convection with a convection heat transfer coefficient of 12 W/m2.°C, Determine the total rate of heat loss from the surface
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