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You are marooned on a tropical island. Design a telescope from a cardboard map tube and the lenses of your eyeglasses. One lens has a +1.0 m focal length and the other has a +0.30 m focal length. The telescope should allow you to view an animal 100 m from the objective with the final image being formed 1.0 m from the eyepiece. Don't forget to consider which side of the eyepiece the final image must form and whether the final image is a real image or virtual image.
Determine the required distance between lenses.
Explain how does a magnitude of the electrical force between a pair of charged particles change when they are brought to half their original distance of seperation?
q1. a 3.0 kg basketball travelling at 15ms collides with the 2.0- kg baseball which is initially at rest in the elastic
A rocket is fired at 48m/s, in a direction 400 to the horizontal. It explodes in mid air, Find the speed of the rocket just before the explosion
The coefficient of kinetic friction between a suitcase and the floor is 0.272. how far can it be pushed across the level floor with 630J of work
How long did it take the object to get from the position x = 2.0 m to the position x = 3.0 m?Express your answer(s) using two significant figures. If there is more than one answer enter your answers in ascending order separated by commas.
What is the intensity level in decibels for a sound with an intensity of 2.35×10-4 W/m2, What is the intensity for a sound with an intensity level of 79.9 dB
A block of mass m1 = 1.75 kg and a block of mass m2 = 5.75 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. Determine the acceleration of the two blocks
what would the predicted temperature increase of a bomb calorimeter heat capacity of 1450 jc that is submersed in 2.00
The kinetic energy of a nonrelativistic particle can be written in terms of its momentum as K = p ^2 /2 m . Planck's constant is 6.63 × 10^-34 J · s. What is the minimum kinetic energy of a proton confined within a nucleus having a diameter of 6 ×..
A circuit breaker is rated for a current of 15A rms at a voltage of 120V rms. What is the largest value of peak current that the breaker can carry? What is the maximum average power that can be supplied by this circuit?
A furlong is a distance of 220 yards. A fortnight is a time period of two weeks. What is his speed in furlongs per fortnight
An eagle can determine that two light brown shrews sitting 1.0 cm apart on a pathway 125 m below her are in fact two shrews rather than a small rat. estimate the diameter of her pupil
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