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Two parallel plate capacitors have circular plates. The magnitude of the charge on these plates is the same. But, the electric field between the plates of the first capacitor is 1.3 x104 N/C, while the field within the second capacitor is 6.0 x 104 N/C. Decide the ratio r2/r1 of the plate radius for the second capacitor to the plate radius for the first capacitor.
A frictionless pulley has the shape of a uniform solid disk of mass 2.1 and radius 10. A 1.10 stone is attached to a very light wire that is wrapped around rim of pulley and the system is released from rest.
A satellite is placed in orbit 8.60*105 m above the surface of the planet Jupiter. Jupiter has a mass of 1.90 multiplied by 1027 kg and a radius of 7.14multiplied by 107 m. Find the orbital speed of the satellite.
What thickness of board (calculated to 0.1 cm) would it take to stop the bullet, suppose that the acceleration through all boards is the same.
question1a rocket is fired at a speed of 87.0 ms from ground level at an angle of 50.0 deg above the horizontal. the
An aluminum rod is 18.0 cm long at 20°C and has a mass of 350 g. If 15,000 J of energy is added to the rod by heat, what is the change in length of the rod
A man is to pull a 50 .0 kg crate across a level terrain with a force of 50.0 N. What is the coefficient of kinetic friction, if the work done by friction is - 4.30 x 102 J
A plane, diving with constant speed at an angle of 49 ° with the vertical, releases a projectile at an altitude of 570 m. The projectile hits the ground 7.0 s after release.
while anchored in the middle of a lake you count exactly three waves hitting your boat every 14.0 s. you raise anchor
A 2.50g bullet, travelling at a speed of 395m/s, strikes the wooden block of a ballistic pendulum. The block has the mass of 265g. How high does the combination rise above its initial position.
A 1.78 m long wire carrying a current of 1.65 A forms a 5-turn loop in the shape of an equilateral triangle. determine the maximum torque that acts on it
a swimming pool measures 10 meters wide by 50 meters long by 4 meters deep. what is the water pressure at this point
two speakers emit sound waves with frequency 4.71 khz. they are driven by the same oscillator so that they are in phase
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