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A lamp which is 12.5 cm tall is 185.3 cm in front of a converging lens which has a focal length of 47.5 cm. (a) What is the image distance for this lamp and lens combination (include sign if negative)? cm (b) If a screen is placed at the image location found in (a), what will be observed on the screen? no image is visible on the screen a clear, inverted, virtual image is visible a clear, upright, real image is visible a clear, upright, virtual image is visible a clear, inverted, real image is visible (c) If the screen is moved slightly farther from the lens than the distance found in (a), what will be observed on the screen? a fuzzy image is visible no image is visible on the screen a clear image slightly smaller than the original image is visible a clear image slightly larger than the original image is visible.
Two cars a and b are travelling in the equal direction with velocities A and B(A>B). While the car a is at a distance behind car b, the drive of car a applies break producing uniform retardation r, there will b no collision while.
A father (m = 70 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast will the father be moving.
the 25g bullet travelling at 350m/s strikes a block of wood. The block of wood exerts an average force of 50,000N opposing the motion of the bullet. How far does the bullet penetrate while stopping.
A car travelling in a large circle passes by the motorcycle that is travelling in a straight line from North to South. Both of their speedometers read 10m/s.
A 15m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes 60 angles with the horizontal.
find the magnitude and direction of the resultant force A + B that is applied to the stump. Specify the direction with respect to due east.
An 11.90 V battery is connected to a series circuit containing a 6ohm resistor and a 2.30 H inductor. The circuit is established and current is 1.9833 A. How long will it take the current to reach 50 percent of its final value? Answer in units of s
An alpha particle with kinetic energy 17 MeV makes a head-on collision with a lead nucleus at rest. What is the distance of closest approach of two particles.
What is the initial (horizontal) velocity of the ball.
An Olympic basketball player shoots towards a basket that is 5.36m horizontally from her and 3.05m above the floor. The ball leaves her hand 1.83m above the floor at an angle of 45.0o above the horizontal. What initial speed must she give the ball so..
Two identical 10 g iron springs, except that one has been wound using work W, are dropped into equal volumes of 15M HC1 in two identical constant volume calorimeters, that are adiabatically insulated. The HC1 will dissolve iron springs. What differen..
To what angle beta can the sculpture be tipped.
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