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A proton p trabels with a speed of 18 m/s toward the top of the page through a uniform magnetic field of 2t directed into the page. What are the magnitude and direction of the magnetic force on the proton?
A proton is propelled at 2 x 10^6 m/s perpendicular to a uniform magnetic field. If it experiences a magnetic force of 5.8 x 10^-11 N, what is the strength of the megnetic field?
The auditory canal, leading to the eardrum, is a closed pipe 2.8 cm long. Find out the approximate value (ignoring end correction) of the lowest resonance frequency.
One of the concrete pillars that support a house is 2.5-m tall and has a radius of 0.50 m. The density of concrete is about 2.3 x 10^3 kg/m3. Find out weight of this pillar in pounds (1 N = 0.2248 lb)
A m1 = 14.50 kg object and a m2 = 10.00 kg object are suspended, joined by a cord that passes over a pulley with a radius of 10.00 cm and a mass of 3kg.
Eight identical light bulbs are connected in parallel with a 120-V power source, by two long leads with resistance 1.4 Ohms. 210 mA flow through each bulb, What is the resistance of each bulb
Find the differential equation and use the initial conditions to determine the constant of integration.
A car travelling at 16 m/s runs out of gas while travelling up a 21 degree slope. How far up the hill would it coast before starting to roll back down.
A solid sphere of radius R carries a volume charge density ?=?0e^r/R, Find an expression for the electric field strength at the sphere's surface
IP A uniform electric field of magnitude 6 times 10^3 ;{rm{N/C}} points upward. An empty, closed shoe box has a top and bottom that are 37 cm by 28 cm, vertical ends that are 28 cm by 21cm, and vertical sides that are 21 cm by 37 cm.
A 14 g bullet travelling at 247 m/s is fired into a 0.459 kg wooden block anchored to a 100 N/m spring. How far is a spring compressed to the nearest thousandth of meter.
A convex mirror has a focal length of -39.0 cm. A 12.0 cm tall object is located 41.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the size of the image
What is the frequency of the string.
A boy in a moving bus at +6 m/s observes a car moving at -3 m/s. What is the actual velocity of the car with respect to the bus?
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