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As soon as a traffic light turns green, a car speeds up from rest to 46.0 mi/h with constant acceleration 8.50 mi/h-s. In the adjoining bike lane, a cyclist speeds up from rest to 24.0 mi/h with constant acceleration 12.00 mi/h-s. Each vehicle maintains constant velocity after reaching its cruising speed.
(a) For what time interval is the bicycle ahead of the car?
(b) By what maximum distance does the bicycle lead the car?
A horizontal merry-go-round has a mass of 1000 kg, and is a solid disk of radius 2.00 m. It is started from rest by a constant horizontal force of 50.0 N applied tangentially to the edge of the disk.
Calculate the energy associated with the magnetic field of a 191 turn solenoid in which a current of 2.44. A produces a magnetic flux of 3.74 x 10-4 T • m2 in each turn.
The critical angle for total internal reflection at a liquid-air interface is 41.0. If a ray of light traveling in air has an angle of incidence of 34.5 at the interface with respect to the normal, what angle does the refracted ray in the liquid ma..
helium atoms emit light at several wavelengths. light from a helium lamp illuminates a diffraction grating and is
A laser emits a cylindrical beam of light 2.8mm in diameter.If the average power of the laser is 2.6mW , what is the rms value of the electric field in the laser beam?
these problems are in a cycle context. in this cycle air is first compressed in a piston-cylinder cylinder assembly in
A swimmer runs horizontally off a diving board with a speed of 3.44m/s and hits the water a horizontal distance of 1.74m from the end of the board. How high above the water was the diving board
The electric field of an electromagnetic wave in a vacuum isEy = (17.0 V/m)cos((6.28 ×108)x??t), where x is in m and t is in s. What is the wave's magnetic field amplitude
What is the potential energy of a comet of mass m around a star of mass M if it is in elliptical orbit that has a pericenter at a distance R and an apocenter at 4R? What is the total energy of the comet?
A 0.20 kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of 40 N/m. The block is initially displaced 4 cm from the equilibrium point and then released to set up a simple harmonic mo..
A force of 10N acts on a 5Kg mass for a shot 0.5s duration. What is the resulting velocity of the mass if it started with no velocity
In an oscillating LC circuit in which C = 4.15 µF, the maximum potential difference across the capacitor during the oscillations is 1.77 V, What is the frequency of the oscillations
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