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Two 3.0cm × 3.0cm square aluminium electrodes, spaced 0.80mm apart are connected to a 300Vbattery.
Part A
What is the capacitance?
Part B
What is the charge on the positive electrode?
a proton and an electron are moving due east in a constant electric field that also points due east. the electric field
A simple pendulum makes 139 complete oscillations in 3.10 min at a location where g = 9.80 m/s2. Find the length of the pendulum
a penny is dropped from the observation deck of the Empire State building (369 m above ground). With what velocity does it strike the ground, how far would the ball fall in twice that time
a plane convex lens made of glass n 1.50 with one flat surface and the other having a radius of 20 cm. what is the
Construct a point charge configuration with three charges where there is a point (not at infinity) where the electric field is zero.
An object started from rest and traveled 250m to achieve the speed of 12 m/s. What was the force acting on the object of its mass is 8.0 kg
A box of mass 3 kg sits on a table. Neglect friction. You pull on a string tied to the right side of the box, exerting a force of 20.0 N at an angle of 30.0 degrees above the horizontal. Calculate the coefficient of friction with the surface
A 237kg roller coaster starts at rest from the top of a 40.5m hill and goes during a circular loop of radius 16.9m. What is the normal force at the top and bottom of the loop?
A medical defibrillator stores 950J of energy in a 100-muF capacitor. If the capacitor discharges 280 of its stored energy in 2.5 , what power is delivered during this time
A car is designed to get its energy from a rotating flywheel by a radius of 1.50 m and a mass of 400kg. Before a trip, the flywheel is attached to an electric motor, which brings the flywheel's rotational speed up to 5000 rev/min. How much energy is ..
An airplane with a speed of 89.1 m/s is climbing upward at an angle of 31.5 ° with respect to the horizontal. Relative to the ground, determine the angle of the velocity vector of the package just before impact
It is claimed that a black hole is so strong in its gravitational pull that even light cannot escape from it. However, if the speed of light, and gravitational forces are constant, then light should be able to escape from the black hole if it can ..
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