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A simple telescope is formed using an eyepiece of focal length 29.0 mm and an objective of focal length 85.0 mm. Calculate the angle subtended by the image of the Moon when viewed through this telescope from Earth. Take the radius of the Moon to be 1.737x106 m, and the distance from Earth to Moon to be 3.844x108 m.
two uniform solid cylinders each rotating about its central longitudinal axis have the same mass of 4.90 kg and rotate
If astronauts could travel at v = 0.990c, we on Earth would say it takes(4.20 / 0.990) = 4.24 years to reach Alpha Centauri, 4.20 light-years away. Find how much time passes on the astronauts clocks
intelligent beings in a distant galaxy send a signal to earth in the form of an electromagnetic wave. the frequency of
A sledge loaded with bricks has a total mass of 19.0 kg and is pulled at constant speed by a rope. The rope is inclined at 20.0° above the horizontal, and the sledge moves a distance of 20.0 m on a horizontal surface. The coefficient of kinetic fr..
Calculate the total cost ($/kWh) of electricity delivered to the grid including fuel cost and debt charge with O&M of 5% added to the total.
A 10-kg body is force against a horizontal elastic springcompressing it an amount of 0.5 meter. When the body was released,it moves on a horizontal distance of 3 meters before coming torest. The force constant of the spring is 50 N/m.
An EM wave has a wave vector k=(x+2y)rad/m. The magnetic field amplitude is Bo=(1.43x10^-10T)(2x-y+z). Determine the electric field vector amplitude
Need assistance generating a power point presentation on the Tropical Rainforest. I will like to have about 14 slides or so discussing points such as where this ecosystem might be located, the structure of the components (abiotic and biotic), how doe..
Consider a conical pendulum with a bob of mass m = 81.0 kg on a string of length L = 10.0 m that makes an angle of ? = 6.00° with the vertical. Determine the radial acceleration of the bob
Current is set up through a truncated right circular cone of resistivity 731 Ω-m, left radius a=2.00 millimeter, Find what is the resistance of the cone
you throw a ball m 2kg from the top of a 30 m cliff with a initial velocity of 25 ms at an angle of 50 degrees. a
A wheel (radius 0.6 m) is rolling on a horizontal surface with a center of mass acceleration of 0.7 m/s2. what is the friction force acting between the wheel and the surface
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