How close to the film must the lens be situated
The lens for a 35 mm camera consists of a focal length given by f = 55 mm. How close to the film must the lens be situated to form a sharp image of an object which is 5 m away?
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The cellular phone plane had given schedule of changes. Create the piecewise function which associates monthly charge C for x minutes od calls.
Your mass is m = 59 kg. Avoid frictional forces among the raft and the water. Determine how far from the end of the pier is the center of mass of the you-raft system?
The bacterial culture has the initial population of 10,000. If the population declines to 7000 in 8 hours, what will it be at the end of 10 hours?
After 8 minutes, temperature of coffee is 122F. By how many degrees will temperature of coffee decrease in next 8 minutes?
Provided that sin x= 5/13, cos y = (-3/5), and both x and y are in quad II. Find exact value of tan(x+y). Write down sin(pi/4 + arcsin x) as the algebraic expression.
A hot-air balloon of 4.50 x 102 kg takes off from rest at the surface of earth. The non-conservative wind and lift forces take the balloon up, doing +9.70 x 104J of work on the balloon in the process.
Determine complex-number representation for E. E = volts (Simplify the answer. Use integers or decimals for numbers in expression.
After that, capacitor A is joined to an uncharged capacitor B with a capacitance Capacitor B = 25uF. Find out the final charge on capacitor B?
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