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A. Positive point-charges of +36.0 mC (Micro C) are fixed at two of the vertices of an equilateral triangle with sides of 3.30 m, located in vacuum. Determine the magnitude of the E-field at the third vertex.
B. Redo the last problem, this time with charges of +36.0 mC (Micro C) and -36.0 mC (Micro C) at either end of the baseline (creating the field at the remaining vertex).
A proton, initially traveling in the +x-direction with a speed of 5.00×105m/s, enters a uniform electric field directed vertically upward, What is the strength of the electric field
in a 10ft^2 room wiyh no window and no doors . The air in the room is 79% N(sub2) and 21% O(sub2). What is the weight of the air
A 46g marble moving at 2.3m/s strikes a 24g marble at rest. What is the speed of the first marble immediately after the collision
A car drives straight off the edge of a cliff that is 60 m high. The police at the scene of the accident observed that the point of impact is 134 m from the base of the cliff. How fast was the car traveling while it went over the cliff.
A projectile is fired at an upward angle of 50° from the top of a 145m cliff with a speed of 195 m/s. What will be its speed while it strikes the ground below? (Use conservation of energy.)
How many kilograms of water at 100.0 C could be converted to steam by the addition of 1.13 x 10^7 joules of thermal energy.
A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 2 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has the length of l = 3.90 {rm m}.
Two point charges q1= 2.0x10^-6 C and q2= -3.0x10^-6 C, Find the electric field and the electric potential at a point on the x-axis
Drag race tires in contact with an asphalt surface have an extremely high coefficient of static friction. Assuming a constant acceleration and no slipping of tires, estimation the coefficient of static friction needed for a drag racer to cover 1.0 km..
A square coil, enclosing an area with sides 2.7 cm long, is wrapped with 2,461 turns of wire. What average voltage is induced in the coil
A 2 g lead (cp = 128 J/kg•°C) bullet travelling at 325m/s is stopped by the large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet whereas the other half is transmitted to the tree, wha..
A heart defibrillator delivering 400 J of energy by discharging a capacitor initially at 10,000 V has a capacitance of 8.00 µF, What is the voltage of the second defibrillator
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