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An object moving with uniform acceleration has a velocity of 10.0 cm/s in the positive x-direction when its x-coordinate is 3.21 cm. If its x-coordinate 3.55 s later is -5.00 cm, what is its acceleration?
q1. an electron and a neutral carbon atom are firstly 2.2 times 10-6 m apart and there are no other particles in the
A short blast of sound with frequency 335 Hz is created by a speaker that projects the sound equally in all directions. what was the power of the blast
A 3.00-g bullet, traveling horizontally with a velocity of magnitude 370 m/s, is fired into a wooden block with mass 0.800 kg, What is the decrease in kinetic energy of the bullet
An airplane wing is designed so that the speed of the air across the top of the wing is 299 m/s, What is the lifting force on a wing of area 21.0 m2
suppose a speck of dust in an electrostatic precipitator has 1.0000x1012 protons in it and has a net charge of -5.00nc
When an object is moving with uniform circular motion, which of the following statements is correct for the tangential velocity? It acts towards the center, It acts away from the center, It is perpendicular to the plane of the circle, or It is per..
A 116 g Frisbee is 28 cm in diameter and has about half its mass spread uniformly in a disk, and the other half concentrated in the rim. What is the magnitude of the torque, assumed constant, that the student applies
A 4.40 kg ball is dropped from a height of 14.0m above one end of a uniform bar that pivots at its center. The bar has mass 7.50kg, How high will the other ball go after collision
When both cars increase their speed by 7.0m/s , they then have the same kinetic energy. What were the original speeds of the two cars
The starter motor of a car engine draws a current of 200 A from the battery. The copper wire to the motor is 4.90 mm in diameter and 1.2 m long, How much charge passes through the starter motor
A particle leaves the origin with an initial velocity=(3.76i)m/s and a constant acceleration =(-1.43i-2.69j) m/s^2. find velocity and position vector of particle
Use gauss law to find the electtic field E from a spherical +charged sphere of radius r
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