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A 3.25G bullet picks up an electric charge of 1.75uC as it travels down the barrel of a rifle. It leaves the barrel at a speed of 419 m/s traveling perpendicular to the earth's magnetic field, which has a magnitude of 5.50×10^?4 T.
Calculate the magnitude of the magnetic force on the bullet; express answer in value and units.
Calculate the magnitude of the bullet's acceleration due to the magnetic force at the instant it leaves the rifle barrel; express answer in value and units.
A bat emits chirping sounds of frequency 75 kHz while hunting for moths to eat. The bat flies east at 8 m/s. What is the frequency of the reflected sound detected by the bat
A concave shaving mirror has a focal length of 95 cm. find the image position of a cologne bottle placed in front of the mirror at a distance of 165cm. Calculate the magnification of the image. Is the image real or virtual? Is the image inverted o..
Water is being pumped through a horizontal pipe that is 37.8 m long and 14.5 cm in diameter. what gauge pressure must the pump provide to give the same volume flow rate as for the first pipe
If the balls are released from a height where the bottom of the basketball is at 0.781m above the ground, what is the absolute value of basketball's momentum just before it hits the ground.
A semicircle of radius a is in the first and second quadrants, What is the direction of the net electric field at the origin produced by this distribution of charge (+x,-x,+y,-y direction)
A 3.10-m-long, 340kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction
You have two 120V light bulbs, one 25W and one 100W, that are normally connected in parallel with 120V across each. explain Which one burned out and why
q1. a speed skater moving across frictionless ice at 8.60 rm ms hits the 4.20-m-wide patch of rough ice. she slows
a skier of mass m is standing on a slope with an angle of elevation ø. After being given a tiny nudge, the skier slides down the slope, how much energy is lost while the skier slides down the incline
A projectile is launched at 64 degrees at 63.7 m/s from the top of a hill. How far down the hill does the projectile hit
Suppose that an electron trapped in a one-dimensional infinite well of width 322 pm is excited from its first excited state to the state with n = 5. What energy (in eV) must be transferred to the electron for this quantum jump
A tennis player swings her 1000 g racket with a speed of 15.0m/s . She hits a 60 g tennis ball that was approaching her at a speed of 15.0m/s. compute the average force that the racket exerts on the ball
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