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A 8.0 kg block oscillates with an amplitude of 0.070 m on a light spring constant k= 13 N/m. What is the maximun value of the block's velocity? What is its maximun acceleration?
Over a year's time, a person receives a biologically equivalent dose of 24 mrem (millirems) from cosmic rays, What is the person's absorbed dose in rads
A fly sits on a potter's wheel .30 m from its axle. The wheel's rotational speed decreases from 4.0 rad/s to 2.0 rad/s in 5.0 s. Determine the wheel's average rotational acceleration
Consider two planets in space that gravitationally attract each other. If the mass of one planet is increased six-fold, then the force between them changes by what factor
An L-R-C circuit has an inductance of 0.490H , a capacitance of 2.90×10?5F , and a resistance of R. What is the angular frequency of the circuit when R=0
Two identical +45.3 nC point charges A and B, with masses of 3.0*10^-9 kg each, are fixed in place with a distance of 2.54 cm between them. Calculate the speed of charge B when it has reached a distance of 3.68 cm away from charge A
If the rope tension is 120 N, and if the rope does 2500 J of work on the box, what angle theta does the rope make with the horizontal
An air molecule is moving at a speed of 455 m/s. How many meters would the molecule move throughout 7ms (milliseconds) if it didn't collide with any other molecules.
question1by means of snellrsquos law convince someone that for total internal reflection to happen that index of
q1. a particular guitar string is supposed to vibrate at 214 hz but it is measured to actually vibrate at 272 hz. by
A 55-kg skier starts from rest at the top of a ski jump, point A is at the top of the ramp and is 40.6 m above the end of the ramp, Determine the distance (s) to where she strikes the ground.
A 14 liter tank of helium is at a pressure of 164 kPa at a temperature of 0 C, What is the speed of the helium atoms in the tank at this new volume, How many moles of helium are there in the tank
We drop a 26-g ice cube (0C) into 1000 g of water (20C). Find the total change of entropy of the ice and water when a common temperature has been reached
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