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Find the transformation matrix R that describes a rotation of 90 degrees about an axis from the origin through the point (1, 1, 0). The rotation is clockwise as you look down the axis toward the origin.
The total electric field consists of the vector sum of two parts. One part has a magnitude of E1 = 1200 N/C and points at an angle ?1 = 35o above the +x axis. Find the magnitude and direction of the total field
An airplane is flying with a velocity of 86.0 at an angle of 23.0 above the horizontal. When the plane is a distance 114 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
using a rope, a child pulls a box across a rough floor at constant speed. The tension in the rope is 105 N and the rope makes an angle of 37 with the horizontal. Find the friction force acting on the box
A clothes dryer is spinning at 75 rpm. A student opens its door and it comes to rest after rotating through four revolutions. What was the magnitude of the dryer's angular acceleration
A circuit consists of an 100- resistor in series with a 5.5-?F capacitor, the two being connected between the terminals of an ac generator. The voltage of the generator is fixed.
Find the typical speed for a tsunami. (Note down that in the open ocean, tsunamis generally have amplitude of less than a meter, allowing them to pass ships unnoticed. As they approach shore, however, water depth decreases and the waves slow down. Th..
During a circus performance, a 67-kg human cannonball is shot out of an 17-m-long cannon. determine the average net force exerted on him in the barrel of the cannon
An air molecule is moving at a velocity of 444 m/s. How various meters would the molecule move during 7.00 ms (milliseconds) if it didn't collide with any other molecules.
A surface encloses the charges q1= 3.2 µC, q2 = 6.9 µC, and q3 = -4.1 µC. Find the electric flux through the surface
When the density of the string is changed, say increased, what is the effect on the frequency required to obtain a given number of loops
The internal energy of a gas is 1000 J. The gas is compressed adiabatically, and its volume decreases by 500 cm3. what is the internal energy of the gas
If you were to build a pipe organ with open-tube pipes spanning the range of human hearing (20 Hz to 20 kHz), what would be the range of the lengths of pipes required
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