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A proton moves through a uniform magnetic field given by B= (10i ? 18.0j + 30k ) mT. At time t1, the proton has a velocity given by = v xi + vyj + (2000 m/s)k and the magnetic force on the proton is FB = (3.77 e-17 N)i + (2.10 e17 N)j . (a) At that instant, what is vx? (b) What is vy?
If in Joule's paddlewheel experiment a block of mass 10 kg is allowed to fall through 22.5 meters and the mass of the water is 50 grams
A 0.88 kg mass attached to a vertical spring of force constant 196 N/m oscillates with a maximum speed of 0.40 m/s. Find the following quantities related to the motion of the mass.
A gas with a volume of 4.0 L is at a pressure of 1.0 atm at a temperature of 300 K. It is compressed adiabatically to a volume of 1.0 L. The gas has gamma = 1.4.
A block has a mass of 1.20 kg and is attached to a spring with spring constant of 5.00 N/m. How many oscillations is made by the block by that time
An elevator cable breaks when a 975 kg elevator is 24.5 m above the top of a huge spring (k = 8.00 x 10^4 N/m) at the bottom of the shaft. Calculate the amount the spring compresses
The output from a one curie Co60 source is 1.25 R/hr at one meter. What is the radiation intensity at three meters from a 4 Curie source
A copper pipe with an outer radius of 0.011 m runs from an outdoor wall faucet into the interior of a house. Find the inner radius of the pipe
A hockey puck is swung at the end of a very slight 30 cm long string in a horizontal circle. what is the tension force supplied by the string
A kid is outside his home playing with a metal hoop and stick. If the hoop starts from rest at the top of the hill and reaches a linear speed of 9.50 m/s in 11.5 s, what is the angular acceleration of the hoop
Three forces acting on an object are given by f1 = (?2.05i + 6.30j) N, f2 = (4.70i ? 1.95j) N, and f3 = (?42.5) N. What is the direction of the acceleration
Two identical spheres are made of conducting material. Initially, sphere 1 has a net charge of 33Q and sphere 2 has a net charge of -18 Q
A series AC circuit contains a resistor, an inductor of 240 mH, a capacitor of 4.80 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. Calculate the capacitive reactance
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