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Through 0.23 s, a wheel rotates through an angle of 2.98 rad as a point on the periphery of the wheel moves with a constant speed of 2.27 m/s. What is the radius of the wheel?
a 100 lb cart is placed on a ramp inclined at 15degrees. a horizontal force is applied to the cart to keep it from
For a damped simple harmonic oscillator, the block has a mass of 2.2 kg and the spring constant is 13 N/m. The damping force is given by -b(dx/dt), How many oscillations are made by the block in this time
A rocket that is in deep space and initially at rest relative to an inertial reference frame has a mass of 2.80 105 kg, of which 1.92 105 kg is fuel. What is the rocket's thrust
A small 0.530-kg object moves on a frictionless horizontal table in a circular path of radius 1.10 m. The angular speed is 2.19 rad/s. The object is attached to a string of negligible mass that passes during a small hole in the table at the center of..
What relationship did Galileo discover about a ball%u2019s acceleration, What acceleration occurs when the plane is vertical
A helium-neon laser, radiating at 632.8 nm, has a power outputof 3.0 mW. The beam diverges (spreads) at angle = 0.17 mrad. What is the power of a point source providing that intensity atthat distance
An electron in the beam of a typical television picture tube is accelerated through a potential difference of 20,000 V before it strikes the face of the tube. What is the speed of the electron?
A block is connected between two springs on a frictionless, horizontally level track. what is the mass of the block
Suppose 1400 J of heat are added to 3.4 molof argon gas at a constant pressure of 120 kPa. Calculate the change in volume of the gas
A bat and ball approach one another each with the same speed of 1.50 m/s collides. Evaluate what is the speed of the ball after collision
Two identical pucks are on an air table. Puck A has an initial velocity of 2.5 m/s in the positive x-direction. What is the speed and direction of puck B after the collision
An egg is thrown nearlyvertically upward froma point near the cornice of a tall building.it just misses the cornice on the way down, how high does it rise above its starting point
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