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A proton moving at 6.40 106 m/s through a magnetic field of magnitude 1.80 T experiences a magnetic force of magnitude 7.00 10-13 N. What is the angle between the proton's velocity and the field? (Enter both possible answers from smallest to largest. Enter only positive values between 0 and 360.)
After flying for 15 min in a wind blowing 42 km/h at an angle of22°south of east, What is the speed of the airplane relative to the air
A ball with a mass of .25 kg is placed on top of a spring with a spring constant of 800. N/m. Determine the elastic potential energy of the ball
A 7.00-kg block of ice, released fromrest at the top of a 1.75-m-longfrictionless ramp, slides downhill, reaching a speed 2.25 m/s of at the bottom. What is the angle between the ramp and thehorizontal?
After the first spring compresses a distance of 32.1 cm, the second spring acts with the first to increase the force as additional compression occurs. The car comes to rest 47.0 cm after first contacting the two-spring system. Find the car's initi..
a 50.0 cm open-open tube 6.0 cm in diameter has a measured f1= 304 Hz. calculate the end correction constant from these data.
A soccer player kicks a rock horizontally off a 34.0-m-high cliff into a pool of water. what was the initial speed given to the rock
A smaller solenoid is placed inside a larger solenoid so they have the same axis (like concentric cylinders). The inner solenoid has radius r=0.01meters, N=1000turns, and resistance R=10Ohms. Its two leads are connected to an ammeter to form a circui..
A loudspeaker of mass 25.0 is suspended the distance of = 2.40 below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.50. What is the tension in each of cables.
A 5.0-kg object is pulled along a horizontal surface at by a 15 N force acting 20? above the horizontal. How much work is done by the gravitational force
Two point charges are separated by 10.0 cm and have charges of +2.00 uC, What is the electric field at a point midway between the two charges
A potential difference of 76 mV exists between the inner and outer surfaces of a cell membrane. The innersurface is negative relative to the outer surface. How much work is required to reject a positive sodium ion (Na+) from the interior of the ce..
The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun... How many revolutions does the e..
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