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A race car starts from rest on a circular track of radius 274 m. The cars speed increases at the constant rate of 0.560 m/s^2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following.
(a) the speed of the race car.
(b) the distance traveled.
(c) the elapsed time.
Captain Planet measures the magnetic forces on a proton which is vertically falling at 1996. m/s at the equator, What FORCE would she measure
A particle of rest mass 1.10 MeV/c2 and kinetic energy 2.10 MeV collides with a stationary particle of rest mass 2.80 MeV/c2. Find the speed of the first particle before the collision
A uniform cable of weight whangs vertically downward, supported by an upward force ofmagnitude wat its top end. What is the tension in the cable at its top end
The Hall voltage across a conductor in a 42mT magnetic field is 1.9mu V. When used with the equal current in a different magnetic field, the voltage across the conductor is 2.7mu V.
a capacitor is constructed of two concentric conducting cylindrical sheels. the radius of the inner cylindrical shell
A wire carries a steady current of 2.60 A. A straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, = 1.40 T. what is the magnetic force on the section of wire
A 75-kg water skier is being pulled by a horizontal force of520 N an has an acceleration of 2.4 m/s2. what force is needed to pull the skier at a constant velocity
In a 6.5×10?3-m3 volume of ideal gas at the pressure of 2.7×106 Pa, How many molecules are in the sample
Three capacitors are connected in parallel. Each has plate area A = 1.00×10-2 m2 and plate spacing d = 9.00×10-4 m. What must be the spacing of a single capacitor of plate area A if its capacitance equals that of the parallel combination?
1. an object on a horizontal spring oscillates with a period of 1.20 s and an amplitude of 10.0 cm. at t 0 s the object
A car is driving at a constant speed of 50km/hr. Another car starts from the same position after 20 seconds. What is the velocity of the second car
How fast (in rpm) must a centrifuge rotate if a particle 6.6cm from the axis of rotation is to experience an acceleration of 200000g's
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