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Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 19°. A car can travel around curve A without relying on friction at a speed of 18 m/s. At what speed can this car travel around curve B without relying on friction? (Ans in m/s)
Two 4.4 cm× 4.4 cm metal plates are separated by a 0.19-mm-thick piece of Teflon, What is the maximum potential difference between the disks
A 6.0kg block of aluminum sits on the bottom of a tank of water. How much force does the block exert on the bottom of the tank
A lightbulb has a resistance of 13? and consumes 9.4W of power; the rod is 1.33m long and moves to the left with a constant speed. what is the speed of the rod
A uniform 2.95- kg spinning disk with a radius of 0.243 m is brought to rest by a brake-pad pressed against the side 0.165 m from the rotation axis. What frictional force was applied by the brake pad
Find the capacitance of the cable for a 100 m length of coaxial cable with radii 0.831618mm and 1.98341 mm. The permittivity of a vacuum is 8.8542 × 10^?12 C^2/N · m^2
When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. find the frequency corresponding to the cutoff wavelength
Water flows through a pipe with circular cross section. The fluid has a radius of 5.0 cm and flows at 2.0m/s. The output has a radius of 2.50 cm. find the output velocity.
A flywheel turns through 22 rev as it slows from an angular speed of 2.3 rad/s to a stop. Assuming a constant angular acceleration, find the time for it to come to rest
A disk-shaped merry-go-round of radius 2.78mand mass 160kg rotates freely with an angular speed of 0.696rev/s. What is initial and final kinetic energy
Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115.°F. How much space now exists between each rail
A 2.30×103 ? resistor and a capacitor are connected in series and then a 12.00 V potential difference is suddenly applied across them. Calculate the time constant of the circuit
A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. find the speed of the ball just before it lands
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