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When a resistor with resistance R is connected to a 1.50-V flashlight battery, the resistor consumes 0.0625 W of electrical power. (Throughout, assume that each battery has negligible internal resistance.) What power does the resistor consume if it is connected to a 12.6-V car battery? Assume that R remains constant when the power consumption changes.
The bottom of a test tube is 9.07 cm from the spin axis of a centrifuge. What is the total acceleration when the angular speed is 8.00 rad/s and the angular acceleration is 95.0 rad/s2?
A particle moves along the x-axis. Its position varies with time according to the expression x(t) = -4t + 2t2, where x is in meters and t is in seconds. a) Determine the displacement of the particle in the two time intervals t = 0 to t = 1 s and t..
A ball is thrown vertically upward by an initial speed of 11 m/s. One second later, a stone is thrown vertically upward with an initial speed of 25 m/s. Discover the time it takes the stone to catch up with the ball.
You shine red laser light with wavelength 670 nm through two narrow slits where the spacing between the slits is 0.005 mm. You use a screen placed far from the slits to detect the interference pattern. What is the smallest angle where the path diff..
An object of mass m = 2.3 g and charge Q = +48 µC is attached to a string and placed in a uniform electric field that is inclined at an angle of 30.0° with the horizontal. Find the magnitude of the electric field
A proposed space station includes living quarters in a circular ring 54.5 m in diameter. Atwhat angular speed should the ring rotate so the occupants feelthat they have the same weight as they do on Earth?
Shaving/makeup mirrors typically have one flat and one concave (magnifying) surface. What is the focal length of the mirror
the escape velocity of a bullet from the surface of planet y is 1631 ms. calculate the escape velocity from the surface
A car with a 1.49 m long radio antenna travels at 94.5 km/h in aplace where the Earth’s magnetic field is 6.93 ×10^−5 T. What is the maximum possible induced emf in the antenna as it moves through the Earth’s magnetic field?
Inside a helium nucleus there are two protons, each of charge +e. Calculate the strengths of the electrostatic repulsive force and the gravitational attractive force between the two protons
The magnitude of the electrostatic force between two identical ions of mass 1.224×10-25 kg that are separated by a distance of 6.50 nm is 1.770×10-9 N. Calculate the electric field at the site of each ion
During a rockslide, a 760 kg rockslides from rest down a hillside that is 500 m long and 300 m high. How much energy is transferred to thermal energy
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