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Ball bearings are made by letting spherical drops of molten metal fall inside a tall tower --called ashot tower -- and solidify as they fall.
If a bearing needs 4.50s to solidify enough for impact, how high must the tower be?
What is the bearing's impact speed?
A tennis ball is shot vertically upward in an evacuated chamber with an initial speed of 20.0 m/s at time t=0. How high does the ball rise
The displacement of a wave traveling in the positive x -direction is y(x, t)=(3.5cm)cos(2.7x-92t) , where x is in m and t is in s. What is the speed of this wave? What is the frequency of this wave? What is the wavelength of this wave?
Qualitatively speaking what is the difference between flux and intensity measurements? What are the units of each, How do flux and intensity vary with distance from source
q1. a spring with spring constant 12.5 hangs from the ceiling. a 400 ball is attached to spring and allowed to come to
YOu would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. What is the height of the arrow once it traveled the 55 m horizontally
A 200kg shell is fired from a gun with an initial velocity of200meter/second. what is the potential energy of the shell at the highest point in its trajectory
Two boxes of mass 6.10 and 5.00 kg are in contact and are accelerated across a horizontal surface by an force of 43.17 N applied parallel to the surface and pushing on the lighter box. What is the magnitude of the force exerted by the heavier box o..
A projectile is fired with an initial speed of 36.2m/s at an angle of 41.1 degrees above the horizontal on a long flat firing range. determine maxiumum height reached by projectile
A converging lens (f = 13.0 cm) is held 6.20 cm in front of a newspaper, the print size of which has a height of 2.20mm. Find (a) image distance (in cm) and (b) height (in mm) of the magnified print.
A fully loaded station wagon has a mass of 1690 kg. If each of its four tires is inflated to a gauge pressure of 211 kPa, what is the total tire area in contact with road.
Relationships between wavelength, frequency and speed.
An ac generator with a frequency of 110Hz and an rms voltage of 24.0V is connected in series with a 12.0k ohms resistor and a 0.270/muF capacitor. What is the rms current in this circuit
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