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The crate shown is held against wedge B by a spring. The spring is 96.0% of its original uncompressed length l=2.75m, and the spring constant is given as k=1450N/m. The coefficient of static friction at all contacting surfaces is?s=0.150. The mass of the crate is m=28.0kg .
The angle is ? 15.0?.Neglect the mass of the wedge. Assume the crate only moves in they direction and that wedge A cannot move.
A cannonball is shot (from ground level) with an initial horizontal velocity of 39.0 m/s and an initial vertical velocity of 27.0 m/s. What is the initial speed of the cannonball
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An unmarked police car traveling a constant 85km/h is passed by a speeder. what was the speeder's speed
Three resistors {R1 = 12.0 ?, R2 = 18.0 ?, and R3 = 36.0 ?} are connected in parallel, and in turn connected to a 70.0 V source with an internal resistance of 1.00 ?. What is the terminal potential of the source
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Two small insulating spheres with radius 4.00×10-2 are separated by a large center-to-center distance of 0.595. One sphere is negatively charged, with net charge -2.40, and the other sphere is positively charged, with net charge 3.70. The charge i..
question1a solenoidal coil with 26 turns of wire is wound strongly around another coil with 330 turns. the inner
Two 500 g block of wood are 2.0m apart on a frictionless table. A 10g bullet is fired at 400 m/s towards the blocks. What is the speed of the second block after the bullet stops
A constant force of 50 N is applied tangentially to the rim of a solid disc with a 60 cm radius. The wheel has a moment of inertia of 40 kgm^2. What is the mass of the disc
Establish an average acceleration
A mass and spring are arranged on a horizontal, frictionless table. The spring constant is k = 560 N/m, and the mass is 4.35 kg. Find the velocity of the mass when it leaves the spring
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