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A concave mirror's has a radius of curvature of 33.2 centimeter
Part A: Determine what is its focal length?
Part B: A ladybug 7.25 millimeter tall is placed 22.2 centimeter from this mirror along the principal axis. Determine the location of the image of the insect.
Part C: Determine the height of the image of the insect.
Part D: If the mirror is immersed in water (of refractive index 1.33), obtain what is its focal length?
A pilot knows a 7.00 km distance lies between two landmarks A and B on the level ground below. When he is over landmark A, What is the airplanes altitude
A 2.50g bullet, travelling at a speed of 395m/s, strikes the wooden block of a ballistic pendulum. The block has the mass of 265g. How high does the combination rise above its initial position.
A pulley is attached to the ceiling (as shown in the figurebelow). Spring scale A is attached to the wall and a rope runshorizontally from it and over the pulley. The same rope is then attached to spring scale B
The maximum speed of the photoelectrons from a photoelectric experiment with a silver surface (work function: 4.73 eV) is found to be 3.00× 106 m/s
A 655-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean radius. Find the satellite's orbital speed
a sphere of radius 20.0 cm and mass 1.80 kg starts from rest and rolls without slipping down a 30.0ordm incline that
A 0.26- rock is thrown vertically upward from the top of a cliff that is 32m high. When it hits the ground at the base of the cliff, find the initial speed of the rock
a particle's rest mass is 1.25 M0c^2, decays into two identical paricles of mass .45M0 each. calculate the possible velocities of the mother particle
A light ray enters a glass slab at point A at an angle of 57.6° with respect to the surface normal and then undergoes total internal reflection at point B. What minimum value for the index of refraction of the glass can be inferred from this?
A certain source of sound waves radiated uniformly i alldirections. At a distance of 15m from the source the intensitylevel is 30dB. What is the intensity of the sound 15m from the source inW/m2
an electronic flash attachment for a camera produces a flash by using the energy stored in a 770 microf capacitor.
A system has three energy levels. The ground state is nondegenerate; however the first and second excited states, energies e1 and e2, respectively, have degeneracies of 3 and 2, respectively. Find the average energy at temperature T.
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