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A shaving or makeup mirror is designed to magnify your face by a factor of 1.25 when your face is placed 18.0 cm in front of it.
What type of mirror is it?
Describe the type of image that it makes of your face.
Calculate the required radius of curvature for the mirror. Follow the sign conventions.
The figure below shows three charges at the corners of a rectangle of length x = 0.35 m and height y = 0.22 m. How much work must be done to move the three charges infinitely far from one another?
A 3.0 m tall, 54 cm diameter concrete column supports a 190,000 kg load. By how much is the column compressed
q1. a spaceship travels with a constant speed of 0.3c as it passes by the earth on its way to a distant star.a. the
An object has a volume of 0.25 m^3 and weighs 3000 N. What will be its apparent weight when submerged in water
Explain, with examples, how a change in each sphere will affect each of the other three spheres. Need 200 words
Derive the general relation giving the orbital period, P, of a star (or other object) in the disc orbiting the centre of the galaxy, as a function of the radius, R (>2kpc) , from the galactic centre.
A factory worker pushes a 28.6 kg crate a distance of 4.9 m along a level floor at constant velocity by pushing downward at an angle of 32 degrees below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.26. How m..
Two long, parallel wires separated by 4.50 cm carry currents in opposite directions. The current in one wire is 1.65 A, and the current in the other is 3.45 A. Find the magnitude of the force
A hydrogen atom initially in its ground state (n=1) absorbs a photon and ends up in the state for which n=3. Determine the kinetic and potential energies of an electron in the ground state of the hydrogen atom
A 85cm3 block of iron is removed from an 800C furnace and immediately dropped into 200 mL of 20C water. What percentage of the water boils away?
What assumptions can be made about the radiation per unit areaof a blackbody? Is there a standard area of black body? What value for emissivity
Consider the system described in the example with m1 = 0.51 kg and m2 = 0.40 kg. If F is sufficiently large, it is clear that the block will accelerate to the right. Find the range of F that allows the system to remain at rest
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