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A. Two parallel plates, each of area 8.17 cm2, are separated by 6.20 mm. The space between the plates is filled with air. A voltage of 3.95 V is applied between the plates. Calculate the magnitude of the electric field between the plates.
B. Calculate the amount of the electric charge stored on each plate
C. Now distilled water is placed between the plates and the capacitor is charged up again to the same voltage as before. Calculate the magnitude of charge stored on each plate in this case. (Use 80.0 for the dielectric constant of water.)
Airplane A , starting from rest with constant acceleration, requires a runway 600{\rm m} long to become airborne.
F ind the speed of the golf ball just after impact
Objective questions based on work, energy, power.
Two identical point charges (q = +6.90 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.45m. A test charge (q0 = -3.20 x 10-8 C), with a mass of 5.20 x 10-8 kg, is released from rest at one of the corners of the s..
The pressure in the fluid at the distance from the axis of rotation is. You may ignore the variation in pressure with depth; suppose that it is much smaller than the variation in pressure with radius.
The masses of the particles are m1 = m3 = 5.0 kg and m2 = m4 = 8.0 kg. Find out the moment of inertia of the system about the z axis.
A projectile is fired at an upward angle of 45 degrees from the top of a 265 m cliff with a speed of 350 m/s. Illustrate what will be it's speed when it strikes the ground below?
he boat continues for an additional 5.90 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.05 s. What is the velocity of the boat at t = 21.35 s? Find out the total displacement of the boat?
Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 2.10 x 105 m/s. What is the distance of closest approach?
A horizontal beam of electrons initially moving at 3.4 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
An antitank weapon fires a 3.00 kg rocket which acquires a speed of 50m/s after travelling 90cm down a launching tube. Assume the rocket was accelerated uniformly, what force acted on it.
A Federation star ship (2.0×10^6 kg) uses its tractor beam to pull a shuttlecraft (2.0×10^4 kg) aboard from a distance of 10.0 km away. The tractor beam exerts the constant force of 2.50 X 10^4N on the shuttlecraft. Both spacecraft are initially a..
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