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A bicycle is turned upsidedown while its owner repairs a flat tire. A friend spins the otherwheel of radius 0.4 m and observes that drops of water fly off tangentially.She measures the height reached by drops moving vertically. A dropthat breaks loose from the tire on one turn rises54.4 cm abovethe tangent point. A drop that breaks loose on the next turn rises51 cm above the tangent point (the angular speed of the wheel isdecreasing).
Find the angular deceleration of the wheel. The acceleration of gravity is9.8m/s2 . Assume the angular deceleration isconstant.
1. an atom has 8 protons and 17 nucleons. if it undergoes beta - decay what are the number of protons and neutrons
A 7.55-g bullet from a 9-mm pistol has a velocity of 389.0 m/s. It strikes the 0.745-kg block of a ballistic pendulum, what was the velocity of the bullet as it emerged from the block
snow is falling vertically at a constant speed of 9.0 ms. at what angle from the vertical do the snowflakes appear to
A particle leaves the origin with an initial velocity of 4.20 m/s in the x direction, and moves with constant acceleration ax = -1.80 m/s2 and ay = 2.30 m/s2. a-How far does the particle move in the x direction before turning around? b-What is the..
matrixed environment. What does that mean. How can we contend with the various stressors in such an environment. How do we manage expectations up for various projects.
How much time elapses between first splash and second splash
a glaucous winged gull ascending straight upward at 5.20ms drops a shell when it is 12.5 m above the ground.a what are
A 9770 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 28 mph, 19 degrees East of North. What is the force of the wind (Fwind) on the boat
A drunk driver in a 1600 kg car plows into a 1500 kg parked car with its brake set. Police measurements show that the two cars skid together a distance of 19 m before stopping. If the effective coefficient of friction is 0.78, how fast was the dru..
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 79.2 m/s at ground level. How long is the rocket in motion above the ground
An intially uncharged 4.59-uF capacitor and a 6.63-kOHm resistor are connected in series to a 1.50-V battery that has negligible internal resistance. Calculate the circuit's time constant in milliseconds
A liquid flows through a horizontal pipewhose inner radius is 2.52 cm. What must the volume flux be if the pressurein the two pipes is the same
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