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A light ray travels through a distance a, reflects from a curved mirror, and then travels through a distance b. The ABCD matrix has the form as given as
Suppose that the initial ray is one of many which leaves a point on an object positioned at do = a before the mirror.
a) What condition is needed to form an image at distance di = b?
b) What is the magnification?
a nonconducting solid sphere of radius 10.4 cm has a uniform volume charge density. the magnitude of the electric field
Residents of Hawaii are warned of the approach of a tsunami (tidal wave) by sirens mounted on the top of towers. Treating the siren as a point source of sound, and ignoring reflections and absorption, find the intensity level of one siren heard by a..
A proton accelerates from rest in a uniform electric field of 524 N/C. At some later time, its speed is 2.36 × 106 m/s. What is its kinetic energy at the later time
The velocity of a diver just before hitting the water is -11.4 m/s, where the minus sign specifies that her motion is directly downward. Find her displacement during the last 1.35 s of the dive
In a certain time, light travels 5.11 km in a vacuum. During the same time, light travels only 2.54 km in a liquid. What is the refractive index of the liquid
if a car goes over a hill at a speed of 20 ms what is the size of the normal force felt by a 60 kg passenger in the car
the plates of a spherical capacitor have radii 3.7 cm and 4 cm with a vacuum in between them.a. find the surface area
A car is going south on I-69 at 33 m/s (74 mph). The car has good brakes so its maximum braking acceleration is 4.5 m/s2. what acceleration will be needed for the car to stop
A 26.2-kg dog is running northward at 2.21m/s, while a 5.30-kg cat is running eastward at 2.83 m/s. Their 67.2-kg owner has the similar momentum as the two pets taken together. Find the magnitude and direction of the owner's velocity.
A “synchronous” satellite, which always re- mains above the same point on a planet’s equator, is put in orbit about a planet similar to Jupiter. This planet rotates once every 6.5 h, has a mass of 1.8 × 1027 kg and a radius of 6.99 × 107 m.
The 6 x 12 in timber beam has been strengthened by bolting to it the 5 x ½ in steel reinforcement shown. The modulus of elasticity for wood is 1.8 x 106 psi and for steel is 29 x 106 psi. The beam is bent about a horizontal axis by a couple M = 45..
In July 2013, a new record of power consumption in NYC was set at 13240 MW (megawatt). find how much electrical current did each person draw
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