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A 190-kg block is launched by compressing a spring of constant k= 200N/m by 15 cm. the spring is mounted horizontally, and the surface directly under it is frictionless. But beyond the equilibrium position of the spring end, yhe surface has frictional coefficient u= 0.27. This frictional surface extends 85 cm, followed by a frictionless curve rise. After the block is launched, where does the block finally come to rest? Measure from the left end of the frictional zone. Find the maximum height reached by the block on the curved rise.
0.0029 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2 and are 1.5 mm apart
Ultraviolet light is incident normally on the surface of a certain substance. The binding energy of the electrons in this substance is 3.44 eV. The incident light has an intensity of 0.063 W/m2
A disk with mass m = 8.8 kg and radius R = 0.38 m begins at rest and accelerates uniformly for t = 17.2 s, to a final angular speed of ? = 33 rad/s. What is the moment of inertia of the disk
A red ball is thrown down with an initial speed of 1 m/s from a height of 27 meters above the ground. What is the maximum height the blue ball reaches
A 3.07 kg particle has a velocity of (3.10 i hat - 4.04 j hat) m/s. Find the magnitude and direction of its momentum
your friend gets a at tire while driving up a road with a 35.0 slope. While changing the tire he lets go of the spare and it begins to roll down the hill. How fast (m/s) is the tire moving when it hits the ..
High-speed stroboscopic photographs show that the head of a 260 g golf club is traveling at 54 m/s just before it strikes a 46 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 44 m/s. Find the speed ..
Two astronauts on opposite ends of a space ship are comparing lunches. One has an apple, the other has an orange. They decide to trade. Find the final speed and direction of the apple
Starting from rest several toy cars roll down ramps with differing lengths and angles. Rank them by their speed to the bottom ofthe ramp from the slowest to fastest. Car A goes down a 10 mramp inclined at 15 degrees, car B goes down a 10 m ramp incli..
Light traveling in air is incident on the surface of a block of plastic at an angle of 62.7o to the normal, Find the speed of light in the plastic
A ceiling fan consists of a small cylindrical disk with 5 thin rods coming from the center. The disk has mass md = 3.4 kg and radius R = 0.26 m. What is the final angular speed of the fan
On a frozen pond, a 11.6 kg sled is given a kick that impartsto it an initial speed of vo = 2.15 m/s. find the distance the sled moves before coming to rest
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