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A 8 cm high object is placed 60 cm in front of a concave mirror with focal length of 12 cm. How tall is the image?
In a lightning bolt, a large amount of charge flows during a time of 2.1 x 10-3 s. How much charged has flowed during the lightning bolt?
Explain why cigarettes are effective delivery systems for nicotine.
A glass bead (diamter of about 2 mm) has a total charge of +10 nC. A proton is located at a distance of 6 cm from the center of the glass bead. What is the magnitude of the force experienced by the proton
Derive the relationship between half-life(1/2) and Life-Time(1/e). Use the equation, V(t) = V0e-(alpha*t) to find how half-life and life-time are related
A rocket moves upward, starting from rest with an acceleration of 29.9 m/s2 for 3.31 s. It runs out of fuel at the end of the 3.31 s but does not stop. Evaluate how high does it rise above the ground?
An alpha particle (a helium nucleus) is traveling along thepositive x-axis at 1175 m/s when it enters a cylindrical tube ofradius 0.400 m centered onthe x-axis. How far does the particle travel before hitting the tube wall
What is the half-life in days of a radioactive sample with 5.2×1015 atoms and an activity of 5.1×108Bq ? What is the half life in days
a spherical drop of water carrying a charge of 20 pc has a potential of 530 v at its surface with v 0 at infinity.a
A closely wound, circular coil with radius 2.90 centimeter has 780 turns. Find what must the current in the coil be if the magnetic field at the center of the coil is 6.00 × 102 T
How much ice melts? Assume the temperature of both the ice and the nail is 0?C before and after. The heat of fusion of ice is 80 cal/g.
What is the difference between speed and velocity? between velocity and acceleration? Name at least one example from everyday life where each of these concepts (speed, velocity, acceleration) is important (3 total).
A prescription for a corrective lens calls for + 3.50D. The lens maker grinds the lens from a "blank" with n = 1.56 and a preformed convex front surface of radius of curvature of 31.0cm. What should be the radius of the curvature of the other surfa..
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