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A flywheel rotates with an angular speed of 25 revolutions per sec. As it is brought to a rest with constant angular acceleration it turns 50 revolutions before stopping. What's the magnitude of the angular acceleration?
an l-r-c series circuit with an inductance of 0.123 h a resistance of 240 omega and a capacitance of 7.29 micro f
For a certain block on a spring, the block's displacementx = X sin() and its velocity v = X cos(), with X = 0.57 m. If the block has a mass of 0.19kg and the spring constant is 55 N/m, calculate the total energywhen = 44°.
find the magnitude of the initial acceleration. At what height above the surface of the earth does the balloon have a speed of 7.30 m/s.
A bowling ball (mass = 7.2 kg, radius = 0.14 m) and a billiard ball (mass = 0.47 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?
A pendulum makes 24 oscillations in 39s. The period is 1.6 s 1. Find the pendulum's length
A particle's constant acceleration is north at 113 m/s2. At t = 0, its velocity vector is 55.6 m/s east. At what time will the magnitude of the velocity be 101 m/s
Two soccer players, Mia and Alice, are running as Alice passes the ball to Mia. What is the magnitude and direction of the velocity of the ball relative to the ground
A beam of charged particles with density 35000000000000 particles/m3 is directed due east. What are the magnitude and direction of the average current density J of this beam
The hot, glowing surfaces of stars emit energy in the form of electromagnetic radiation. determine what is the radius of the star
You throw a ball vertically upward from the edge of the roof of the Bisdorf building with a speed 15.0 m/s. Find a) the position and velocity of the ball 1.00 s after leaving your hand.
A charged particle A exerts a force of 2.75 ?N to the right on charged particle B when the particles are 12.0 mm apart. Particle B moves straight away from A to make the distance between them 17.6 mm. What vector force does particle B then exert o..
question a 16 g ball of clay traveling east at 3.4 ms collides with a 30 g ball of clay traveling north at 2.0 ms. what
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