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A bicycle wheel of radius 0.30 m is spinning at a rate of 60 revolutions per minute. What is the centripetal acceleration of a point that is 0.14 m from the outer edge of the wheel?
A small ball rolls horizontally off the edge of a tabletop that is1.17 m high. It strikes the floor at a point 1.18 m horizontallyaway from the edge of the table. (a) How long is the ball in theair? (b) What is its speed at the instant it leaves the ..
If one of the crystal faces is matted (flat or reflecting) draw a picture and show how the x-rays travel, reflect and diffract on the first 2 layers of the atoms. Indicate the position of the detector in relation to the source and the crystal.
A 0.700-kg ball is on the end of a rope that is 1.30 m in length. The ball and rope are attached to a pole, determine the tangential speed of the ball
An archer shoots an arrow with a velocity of 30 m/s at an angle of 20 degrees with respect to the horizontal. An assistant standing on the level ground 30 m downrange from the launch point throws an apple straight up with the minimum initial speed ne..
what is the launch speed of a projectile that rises vertically above the earth to an altitude equal to one earths
A spring can be compressed 2.0 cm by a force of 329 N. A block with a mass of 9.0 kg is released from rest at the top of a frictionless incline as shown. What is the speed of the block just as it touches the spring
A 90.3-MHz radio wave is broadcast from KTUH's transmitter. how much time does it take for the radio wave to reach you
A 90° elbow is used to direct water (? = 1000 kg/m3) flow at a rate of 25 kg/s in a horizontal pipe upward. The di-ameter of the entire elbow is 10 cm. The elbow discharges water into the atmosphere, and thus the pressure at the exit is the local ..
a 0.400kg ice puck moving east with a speed of 6.50ms has a head-on collision with a 0.700kg puck initially at
at a particular instant a rock is flying with velocity 5i-4j4k ms relative to the ground. here i j and k are unit
A body of rest mass m0, travelling initially at a speed 0.6c. makes a completely inelastic collision with an identical body initially at rest, (a) What is the speed of the resulting single body? (b) What is its rest mass?
A rocket is fired from the surface of the Earth at a speed of 20,000 m/s. Neglecting atmospheric effects, evaluate how fast will the rocket be traveling when it is very far away from the Earth
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