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Problem:
A uniform magnetic field is going into the plane of the page. Two charge particles move in circles in the plane of the page. The two particles have the same magnitude of charge |q| and the same kinetic energy. Which of the following is true about the particles' charges and masses?
A parallel plate capacitor with a plate area of 30.0 cm2 and air in the space between the plates, which are separated by 1.7 mm, is connected to a 18.0-V battery. If the plates are pulled back so that the separation increases to 5.1 mm, how much work..
Meteroids often move at high speeds relative to Earth. If meteroids approach Earth closely enough to hit our atmosphere, find the meteroid's kinetic energy
A 41.9 g object is attached to a horizontal spring with a spring constant of 10.8 N/m, What is the velocity of the object when it is halfway to the equilibrium position
Show that the Planck radiation law and the Raleigh-Jeans law become identical if the size of the quantum E=hv is allowed to vanish or if the temperature becomes very high.
the height of a typical am radio stations tower is one-fourth of the radio wavelength. how high should the tower be for
What is the significance of studying active versus normal galaxies? Explain. Do you think that our galaxy has ever been an active galaxy? Could it have hosted a quasar when it was young?
A moving 4.50kg block collides with a horizontal spring whose spring constant is 494 N/m. What is the speed of the block when it hits the spring
A constant force is applied to an object, causing the object to accelerate at 10 m/s2. What will the acceleration be if the force is halved? What will the acceleration be if the object's mass is halved?
During heavy rain, a rectangular section of a mountainside measuring 2.7 km horizontally, 0.85 km up along the slope, What is the mass of the mud sitting above an area of 4.0 m2 in that section
q1. a uniform upward-pointing electric field e of magnitude 3.5times103 nc has been set up between two horizontal
A car is driving directly north on the freeway at a speed of 112 km/h, What is the velocity of the truck relative to the car
A ball is thrown toward a cliff of height h with a speed of 26m/s and an angle of 60 degree above horizontal. It lands on the edge of the cliff 3.0s later. What was the maximum height of the ball
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