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A mass of 3kg, is sitting on a 34° incline and is connected by a massless string over a pulley in the shape of a hollow cylinder (with a mass of 0.45 kg, an inner radius of 0.02m and an outer radius of 0.03m) to another 15 kg mass that is hanging vertically. If the coefficient of friction between the 3kg block and the incline is 0.3, what is the acceleration of the system?
It rolls at a steady speed for 1.9 s, then one wheel begins to stick. The train comes to a stop 6.0 m from its starting point. Illustrate what is the train's acceleration after its wheel begins to stick?
How many 104W lightbulbs can you use in a 113 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 113V.)
You want a screen to be illuminated with an intensity of 440 mW/m2. The screen is 12.97 m away from the light source, What is the rms value of the electric field at the screen
An arrow is shot from a height of 1.9 m toward a cliff of height H, what is the height of the cliff in meters and what is the max height of the arrow along its trajectory in meters
Determine magnitude of the force from the ground on each front wheel. what is magnitude of the duck's velocity.
An automobile with a mass of 2250 slugs is driven around a circular curve, What is the centripetal force on the car
An object is released from rest and falls in free fall motion. The speed v of the object after it has fallen a distance y is given by v2 = 2gy, what is the percent uncertainty in the calculated value of g
A 10.0-g wad of sticky clay is hurled horizontally at a 110-g wooden block initially at rest on a horizontal surface. what was the speed of the clay immediately before impact
A bullet of mass 0.018kg traveling horizontally at a high speed of 290m/s embeds itself in a block of mass 4 kg that is sitting at rest on a nearly frictionless surface.
A long line carrying a uniform linear charge density +56.0 µC/m runs parallel to and 10 cm from the surface of a large, Find the location of all points on a line perpendicular to the sheet and the charged line
What is the distance between the particles at this time? The Coulomb constant is 8.95755 × 109 N • m2/C2, the elemental charge is 1.6721 × 10-19 C, and the acceleration due to gravity is 9.8 m/s2.
Suppose you see two main-sequence stars of the same spectral type. Star 1 is dimmer in apparent brightness than Star 2 by a factor of 100. What can you conclude? (Overlook any effects that might be caused by interstellar dust and gas.)
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