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A race cars start from rest on a circular track of radius 210 meter. The car's speed increases at the constant rate of 0.590 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal,
(a) Determine the speed of the race car?
m/s
(b) Determine the distance traveled?
m
(c) Determine the elapsed time?
s
A metallic wire has a diameter of 4.12 mm. When the current in the wire is 8.00 A, the drift velocity is 5.40 x 10^-5 m/s. What is the density of free electrons in the metal
a pair of adjacent coils has a mutual inductance of 1.5 h. if the current in one coil changes from 0 to 20 a in 0.5 s
a standard door into a house rotates about a vertical axis through one side as defined by the doors hinges. a uniform
Two long straight wires are parallel and 10 cm apart. They areto carry equal currents such that the magnetic field at a point halfway between them has magnitude 240 µT. How much current(in A) is needed?
A pipeline is currently being constructed to deliver natural gas produced from the Haynesville shell deposit in Northwest Louisiana to Donaldsonville, LA. How many cubic feet of gas will the line hold
Particle A of mass M and speed v moving to the right, strikes particle B of mass 3M that is moving to the left at speed v5.0. find the velocity of the center of mass of the two particles before the collision
A wheel on a game show is given an initial angular speed of 1.22 rad/s. Determine the average torque exerted on the wheel given that it is a disk of radius 0.66 meter and mass 6.4 kilogram
A laser beam is traveling through an unknown substance. When it encounters a boundary with air, the angle of reflection is 24.9° and the angle of refraction is 43.0°. What is the index of refraction of the substance
The electric field at the point x = 15.0 cm and y = 0 points in the positive x direction with a magnitude of 10.0 N/C. Find the location of the point charge
A projectile is launched straight up at 59.5 m/s from a height of 76 m, at the edge of a sheer cliff. Find the maximum height of the projectile above the point of firing
A steel cylinder with a radius of 5cm and a length of 4cm is placed in end to end thermal contact with a copper cylinder of the same dimensions. If the free ends of the two cylinders are maintained at constant temperatures of 95C(steel) and 15C (cop..
A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a string tightly wound around the inner core. what is the speed of the spool
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