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Two objects are attached to ropes that are attached to wheels on a common axle as shown below. The two wheels are glued together so that they form a single object. The total moment of inertia of the two wheels is 36 kg · m2. The radii of the wheels are R1 = 1.3 m and R2 = 0.50 m. (a) If m1 = 24 kg, find m2 such that there is no angular acceleration of the wheels. (b) If 12 kg is gently added to the top of m1, find the angular acceleration of the wheels. Find the tension in the rope holding m1. Find the tension in the rope holding m2.
A HeNe (Helium-Neon) laser has a beam power of 5.00 mW at a wavelength of 656 nm. Assume the beam is focused by a lens to a circular spot whose effective diameter is 15 wavelengths of the light.
Geothermal heat is having another "revival". Explain how it works in a home and how much it would cost to add this to your home (determine your square footage or use an average 2000 square foot home), How many panels (size?) would you need
The length of the road up the hill is 347 m. Illustrate what should be the magnitude of F, so that the net work done by all the forces acting on the car is 182 kJ?
Three parallel wire 5 m long carry each 24 A of current in the same direction. Find the magnitude force on each wire
two basketball players collide head on. play a weighs 80 kg and is travelling 2.5m/s to the right while player b weighs 68 kg and is travelling 1.2 m/s to the left, what is the change in momentum of player a
200 mL of water at 20.0 C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 4.00. How much heat energy is exhausted into the room
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 55.1 J, What is the kinetic energy of the system at the equilibrium point
A 22.0 kg child slides down a slide that makes a 37.0° angle with the horizontal. At what angle from the horizontal is this force directed
a potters wheel is a uniform cylinder i.5mr2 with a radius of .5 meteres and a mass of 15 kg. calculate the applied
A fisherman accidentally steps off the ledge of a 4.0 meter-high dock and falls into the lake below the dock. what is the fisherman's speed on entering the water
A 2.8 kg block slides along a frictionless horizontal with a speed of 5.5 m/s. After sliding a distance of 8m, the block makes a smooth transition to a frictionless ramp inclined at an angle of 43 degrees to the horizontal. The acceleration of gravit..
A net force of 32 N accelerates a 4.7-kg mass over a distance of 15 m. What is the total work done by this net force
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