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A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. The inner sphere has a radius of 12.5cm, and the outer sphere has a radius of 15.1 cm. A potentia
The other pushes with a force B, which has a magnitude of 325 newtons and is directed due north. What are the magnitude and direction of the resultant A + B applied to the crate?
A taut rope has a mass of 0.165 kg and a length of 3.55 m. What power must be supplied to the rope so as to generate sinusoidal waves having an amplitude of 0.120 m and a wavelength of 0.495 m and
The best leaper in the animal kingdom is the puma, which can jump to a height of 11.0 ft when leaving the ground at an angle of 50°. With what speed, in SI units, must the animal leave the groun
The filament of a light bulb has a resistance of 570 . A voltage of 120 V is connected across the filament. How much current is in the filament?
A golf ball is hit with an initial angle of 38.5° with respect to the horizontal and an initial velocity of 81.5 mph. It lands a distance of 86.8 m away from where it was hit. By how much did th
A brick is thrown upward from the top of a building at an angle of 25 degrees to the horizontal and with an initial speed of 11 m/s. If the brick is in flight for 3.3 s, how tall is the building?
A particle (charge = +2.0mC ) that moves where only electric forces act on it has a kinetic energy of 5.0 J at point A. The particle passes through point B that has an electric potential of +1.5 kV
A point charge Q is placed at the origin. A second charge, 2Q, is placed on the x axis at x = -3.0 m. If Q = 50 μC, what is the magnitude of the electrostatic force on a third point charge, -Q, p
The width of the intersection is 25.0 m. The plane decelerates through the intersection at a rate of 6.3 m/s2 and clears it with a final speed of 47 m/s. How much time is needed for the plane to clear
A scale is constructed using the 10 kg mass, the 2 kg pan P, and the pulley and cord arrangment. Cord BCA is 2m long. If s = .75 m, determine the mass D in the pan. Neglect the size of the pulley.
Vector A, has a magnitude of 55.7 m, and points in a direction 19.3 degrees below the positive x axis. A second vector B, has a magnitude of 68.2 m, and points in a direction of 49.1 degrees about t
What are (a) the magnitude and (b) the angle (relative to "forward", "left of forward" is the positive direction) of the knight's overall displacement for the series of three moves?
The power supplied to a typical black-and-white television set is 96 W when the set is connected to 120 V. (a) How much electrical energy does this set consume in 1 hour?
A runner accelerates to a velocity of 5.30 m/s due west in 3 s. His average acceleration is 0.643 m/s2, also directed due west. What was his velocity when he began accelerating?
What is the speed of the cork, and its initial direction of motion, as seen by the same observer?
Using the component method, find the magnitude and direction of the resultant Fa + Fb that is applied to the stump. Specify the direction with respect to due east.
A ball thrown straight upward returns to its original level in 2.60 s. A second ball is thrown at an angle of 32.0° above the horizontal. What is the initial speed of the second ball if it also
A potential difference of 120 V is applied to the capacitor. A) What is the magnitude of the electric field at radius 12.8 cm, just outside the inner sphere?
Two parallel plates have charges of 6.00 x 10-4C and -6.00 x 10-4C respectively. (a). What is the electric field between the plates if each plate has an area of 5.00 m2?
Suppose that a stray neutron with an initial speed of 2.3 × 107 m/s is just barely captured by a nucleus with diameter d = 1.0 × 10-14 m. Assuming that the force on the neutron is constant
A Carnot engine operates between 100 C and 29 C. How much ice can the engine melt from its exhaust after it has done 5.0 x 104 J of work.
A snowball rolls off a barn roof that slopes downward at an angle of 40.0 degrees. The edge of the roof is 14.0 meters above the ground, and the snowball has a speed of 7.00 m/s as it rolls off the
A cylindrical shell of radius 9 cm and length 297 cm has its charge density uniformly distributed on its surface. The electric field intensity at a point 20.1 cm radially outward from its axis (meas
In the sum A + B = C, vector A has a magnitude of 11.0 m and is angled 33.5° counterclockwise from the +x direction, and vector C has a magnitude of 15.0 m and is angled 21.5° counterclockwi