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An object is placed 20 cm from a concave mirror of radius 19 cm.
(a) Find the location of the image. (Enter in cm. Use a negative number if the image is behind the mirror) cm
(b) What is the magnification of the mirror?
A swimming pool 2.6 m by 1.0 m has a uniform depth of 2.0 m, What is the absolute pressure at the bottom of the pool
A Carnot engine works between two heat reservoirs at temperatures Thot= 314.0 K and Tcold= 225.0 K. What is its efficiency? How much heat does it reject during each cycle
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
A force acts on a block weighing 45N. The block is initially at rest on a plane inclined at angle θ = 18.0° to the horizontal. The positive direction of x axis is up the plane.
Find the resistance between points A and B. A car starts from rest on a curve with a radius of 130 m and accelerates at 0.500 m/s^2. How many revolutions will the car have gone through as the magnitude of its total acceleration is 2.50 m/s^2.
A 15,000?metric ton battle cruiser at rest fires a salvo of six 8?inch shells at a 45o angle with a muzzle velocity of 350 m/s. how far has the cruiser recoiled by the time its salvo hits their target
A +6.00-µC charge is moving with a speed of 6.30 104 m/s parallel to a very long, straight wire. Find the magnitude and direction of the force on the charge
In an open RC circut, the total resistance is 15Kohms and the battery emf is 24 and constant is measured to be 35 microsecond calculate (a) the total capacitance of the circuit
Electrons in an x-ray tube are accelerated through 105 kV and directed toward a target to produce x-rays. Calculate the power of the electron beam in this tube
A neutral pie-meson is particle that can be created by accelerator beams. If one such particle lives 1.40 x 10^16 s as measured in the laboratory, what is its velocity relative to the laboratory
An investigator collects a sample of a radioactive isotope with an activity of 4.4×105Bq . 72hourslater, the activity is 1.2×105Bq. What is the half-life of the sample
A predatory fish can accelerate from rest to 5 m/s in 0.28 s. What is the acceleration of the fish
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