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A ball rotates in a circle of radius 20.0 cm, making one complete revolution every 2.00 s. What are (a) the speed of the ball, (b) the frequency of motion in hertz, and (c) the angular speed of the ball?
The Sun is a low mass star and so would never have the core fusion reactions of massive stars. Yet, the Sun has iron in its atmosphere, as well as gold, silver and other elements much heavier than iron and why?
A car's outside rear-view mirror is convex, with focal length -1.2m. What is it's apparent height, and what is its apparent location
A crate is held at rest on a frictionless 53 degree ramp by a rope parallel to the incline. If the tension in the rope is 7000 N, what is the mass of the crate
A certain car battery with a 12.0 V emf has an initial charge of 178 A•h. assume that the potential across the terminals stays constant until the battery is totally discharged, for how long in hours can it deliver energy at the rate of 115 W.
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 52.0 m/s and returns the shot with the ball traveling horizontally at 36.0 m/s in the opposite direction. What work does the racket do on the ball
A laser beam is incident on two slits with a separation of 0.10 mm, and a screen is placed 4.00 m from the slits. what is the wavelength of the laser light
Utilizing an information provided in your course text, complete the "Motivation Concepts Table." This table will serve as a convenient quick reference for the remainder of the course.
A point charge is outside of a spherical surface and no charge is enclosed by that surface, What is the flux through the entire closed surface
Two 24 cm focal-length converging lenses are placed 16.50 cm apart. An object is placed 39.0 cm in front of one. Where would the final image formed by the second lens be located.
A conservative force, f(x) = -2x+3x4 is applied to a mass m (f in Newtons and x in meters). what is the change in the potential energy of mass
In a double slit experiment there are two plane monochromatic waves incident on the slits. One wavelength is red with lamba= 600.0 nm, Calculate the linear separation of the red fringes
An electron on the axis of an electric dipole is 23 nm from the center of the dipole. What is the magnitude of the electrostatic force on the electron if the dipole moment is 4.0 10-29 C·m? Assume that 23 nm is much larger than the dipole charge sepa..
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