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The terminals of a 4.0V battery are connected to points A and B in the figure
How much current is in each resistor? I1, I2, I3, I4=
How much power is delivered to each? P1, P2, P3, P4=
Compare the sum of the individual powers with the power delivered to the equivalent resistance for the circuit.]
A projectile is shot from the edge of a vertical cliff 60.0 m above the ocean. How far from the foot of the vertical cliff does the projectile hit the water
What are the minimum frequencies of light needed to emit electrons off each metal? Suppose a lamp is made which shines light of the exact minimum frequency needed to emit electrons off of gold.
Technetium-99 has an excited state that decays by emission of a gamma ray. The half-life o fthe excited state is 360 min. What is the activity, in curies, of 1.00mg of the excited isotope
A certain cylindrical drum is 3 meters in height. It filled with with water. Atmospheric pressure is 10^5 Pa, and the density of water is 1000 gl/m^3. What is the water pressure at the bottom of the barrel
If the speed of sound is v = 345 m/s, what is the range of wavelengths of sound which the human ear can detect
The position of a particle moving along the x axis is given in cm by x = 8.25 + 2.50t^3, where t is in seconds. Consider the time interval t = 2.00 sec to t = 3.00 sec. Find the instantaneous velocity at t = 2.00sec
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +22.2 km/s to -20.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) du..
The potential at the center of a uniformly charged ring is 44kV, and 15.0 cm along the ring axis potential is 30kV. Find the ring's radius and its total charge.
A child throws a stone horizontally from the top of a 15 m cliff with a speed of 10 m/s. If the stone weighs 2 N, find its kinetic energy and speed
Points A, B, and C are at the vertices of an equilateral triangle. A certain positive charge q placed at A produces anelectric field of magnitude 490 N/C at C.Suppose a second, identical charge is placed at B. What is themagnitude of the new electric..
Determine the minimum cross sectional area the cable shown must have if the allowable stress in the cable is 10,000 psi
Four identical 7 mC charges are placed on a neutrally- charged penny, Determine the resulting potential in the center of the penny due to the four charges
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