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Question: A lightning bolt may carry a current of 1.00 x 104 A for a short period of time. What is the resulting magnetic field 100 m from the bolt? Suppose that the bolt extends far above and below the point of observation.
A man shoots at a leopard approaching him with a velocity of 10m/s he shoots bullets to stop the attack from the leopard with initial velocity of bullet as 900m/s with mass of one bullet as 0.6kg
A 3.0 kg block slides down a plane inclined200 to the horizontal with a coefficent of kinetic frictionbetween the block and the pane of 0.275. What would the net work be the net work done
A parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is 2.00 and whose dielectric strength is 1.00 108 V/m. Find the minimum area of the capacitor plates
A fully loaded, slow-moving freight elevator has a cab with a total mass of 1310 kg, which is required to travel upward 50 m in 3.4 min, starting and ending at rest. The elevator's counterweight has a mass of only 960 kg, and so the elevator motor mu..
Two capacitors are connected parallel to each other and connected to the battery with voltage 30V . Let C_1 = 9.5 u F ,C2 = 4.7 u F be their capacitances. By how much does the energy of the system decrease
An electron of kinetic energy 35 keV moves in a circular orbit perpendicular to a magnetic field of 0.390 T. Find the radius of the orbit
It is found experimentally that the electric field in a certain region of Earth's atmosphere is directed vertically down. At a certain location, Find the net amount of charge contained in a cube
A heavy rainstorm dumps 1.0cm of rain on a city 3km wide and 6 long in a 2- h period. How many gallons of water was this
A steel ball of mass 0.840 kg is fastened to a cord that is 75.0 cmlong and fixed at the far end. The ball is then released when thecord is horizontal (Fig. 9-68). At the bottom of its path, the ballstrikes a 2.40 kg steel block initially at rest on ..
A spherical brass shell has an interior volume of 1.26 x10-3 m3. Within this interior volume is asolid steel ball that have a volume of 0.89 x 10-3m3. What is the volume of mercury that spills out of the hole
Assume the earth is a sphere with its mass evenly distributed throughout. Find the moment of inertia of the earth about its axis of rotation
Two titanium spheres approach each other head-on with the same speed and collide elastically. What is the mass of the other sphere
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