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The distance between the eyepiece and the objective lens in a certain compound microscope is 12.7 cm. The focal length of the objective is 0.540 cm, and that of the eyepiece is 1.50 cm. Find the overall magnification of the microscope. (The near point of the eye is 25 cm. Assume that the object is placed at the focal point of the objective lens, and one places the eyepiece at the near point of the eye.)
A simple circuit consists of a light bulb connected to the terminals of a battery. Determine the resistance and power of the bulb
what force is needed to pull a 150 pound sled along a horizontal surface? The coeficient of kinetic friction is 0.10 and the sled is pulled by a rope that makes the angle of 0 degree with the horizontal. There is no acceleration.
A 64 kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.15. What would be the magnitude of acceleration.
Two tiny conducting spheres are identical and carry charges of -21.4C and +51.0C. They are separated by a distance of 3.30 cm. (a) What is the magnitude of the force that each sphere experiences?
Consider a mountain range that has been uplifting at a rate of 10 m/Myr for the past 5 Myr, the mountain range to come into a steady state with tectonic uplift, Estimate the soil thickness on the side of the mountain
An object that is 27 cm in front of a convex mirror has an image located 13 cm, How far behind the mirror is the image located when the object is 13 cm in front of the mirror
The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, determine the largest angle
a projectile is fired with an initial velocity of 15 m/s at an angle of 37 degrees. At t=2 s, find the vertical and horizontal positions of the projectile
A parallel-plate capacitor is formed from two 1.0 {rm cm} times 1.0 {rm cm} electrodes spaced 2.4 {rm mm} apart. The electric field strength inside capacitor is 1.0times10^{6};{rm{N/C}}.
Superman meets an asteroid in outer space and hurls it at 90m/s. The asteroid is five hundred times more massive than Superman is. In the strip, Superman is seen at rest after throw. Taking physics into account, what would be his recoil speed.
Illustrate what would be the relative strengths and weaknesses of this study? What ethical considerations must be taken into account while undertaking this study?
The car collides and becomes stuck to a 5000kg truck travelling west at along South Street at the intersection of South Street and Murdoch Drive. Illustrate what is the final velocity of the vehicles after the collision if the truck was travelling..
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