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On a banked race track, the smallest circular path on which cars can move has a radius of 106 m, while the largest has a radius of 165 m, as the drawing illustrates. The height of the outer wall is 12.7 m. Find
(a) the smallest and
(b) the largest speed at which cars can move on this track without relying on friction.
The electric field inside a 50.0?cm? long copper wire is 5.00mV/m .What is the potential difference between the ends of the wire
A large man sits on a 4-legged chair with his feet off the floor. The combined mass of the man and chair is 95.0 kg.what pressure does each leg exert on the floor
Differentiate between the following three types of plain carbon steels.
After completing the calculations below, sketch the pH curve for the titration of 25.0 mL of 0.200M solution of a weak acid, HA = (Ka = 6.0 x 10^-7), with 0.200M KOH. Indicate the pH at (a) the beginning of the titration
An airplane whose air speed is 608 is supposed to fly in a straight path 38 north of east. But a steady 86 wind is blowing from the north. In what direction must the plane head.
During a very quick stop, a car decelerates at 7.2 m/s2. Assume the forward motion of the car corresponds to a positive direction for the rotation of the tires, How long does the car take to stop completely in seconds
Consider a a series circuit containing an inductor (100 mH), a capacitor (40 microF) and a resistor (50 ohms). It is connected to the AC mains (f = 60 Hz, VRMS = 120 V), What is the new value of capacitance
A projectile is fired at an upward angle of 50° from the top of a 145m cliff with a speed of 195 m/s. What will be its speed while it strikes the ground below? (Use conservation of energy.)
A helicopter is ascending vertically with a speed of 5.98. At a height of 149 above the Earth, a package is dropped from a window. How long till the package hits ground.
A circular coil enclosing an area of 96 cm2 is made of 199 turns of copper wire. The wire making up the coil has resistance of 3.0 , and the ends of the wire are linked to form a closed circuit.
At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (1.00 m/s2) i + (6.00 m/s2) j. It moves at constant speed. At time t2 = 4.00 s (3/4 of a revolution later), its acceleration is (6.00 m/s2) i + (-1.00 m/s2)..
An electric field of 300 V/m is confined to a circular area d = 11.1 cm in diameter and directed outward perpendicular to the plane of the figure. If the field is increasing at the rate of 22.0 V/m·s, what are direction and magnitude of the magnet..
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