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A car of mass M = 900kg traveling at 50.0km/hour enters a banked turn covered with ice. The road is banked at an angle ?, and there is no friction between the road and the car's tires. Use g = 9.80m/s2 throughout this problem. What is the radius r of the turn if ? = 20.0? (assuming the car continues in uniform circular motion around the turn)?
Four 6.50 kg spheres are located at the corners of a square of side 0.68 m. Calculate the magnitude and direction of the total gravitational force exerted on one sphere by the other three.
Electrons accelerated by a potential difference of 12.43 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the shortest possible wavelength
He would like a prescription for contact lenses to serve the similar purpose. What is the correct contact lens prescription, in diopters.
Determine the magnitude of the force on an electron traveling 4.15×105m/s horizontally to the east in a vertically upward magnetic field of strength 0.37T
A spring-mass system has a natural frequency given by w=sqrt(k/m) km, Determine natural frequency, w in units of rad/sec and Hz
Five equal-mass particles (A-E) enter a region of uniform magnetic field directed into page. They follow the trajectories. Rank the particles on the basis of their speed.
An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. Illustrate what is the speed of the electron when it is 10.0 from charge 1?
Two identical diverging lenses are separated by 16 cm. The focal length of each lens is -8.0 cm. Determine the final image distance relative to the lens on the right
A hollow aluminium cylinder 20 cm deep has an internal capacity of 2.000 L at 20.00C. It is completely filled with turpentine and then warmed to 80.00C. (i) How much turpentine overflows? (ii) If it is then cooled back to 20.00 C, how far below th..
The activity of a radioactive source decreases by 5.2% in 28 hours. What is the half-life of this source
A spherical mirror has a focal length of -14 cm. Where is the mirror's image for an object which is at a distance of 30 cm? Draw the ray diagram for this set up
For the motion along the inclined plane, should the maximum kinetic energy of the cart be equal to the potential energy of the compressed spring (under ideal conditions)?
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