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A proton accelerates from rest in a uniform electric field of 630 N/C. At one later moment, its speed is 1.60 m/s (non relativistic because v is much less than the speed of light).
(a) Compute the acceleration of the proton?
(b) Find over what time interval does the proton reach this speed?
(c) Determine how far does it move in this time interval?
(d) Determine its kinetic energy at the end of this interval?
A diffraction grating with 700 lines per centimeter is illuminated by a He-Ne laser of wavelength 633 nm. What is the highest order of diffraction that could be observed with this grating?
At a rock concert, a dB meter registered 130 dB when placed at a2.8 m in front of a loudspeaker on the stage. (a) what was thepower output of the speaker assuming uniform spherical ofthe sound and neglecting absorption in the air?(b) how far awaywoul..
a 3.00 kg block starts from rest at the top of a 30 degree incline and slides 2.00 meters down the incline in 1.50
A coin is placed 32 cmfrom the center of a horizontal turntable, initially at rest. Theturntable then begins to rotate. When the speed of the coin is 100cm/s (rotating at a constant rate), the coin just begins to slip.The acceleration of gravity i..
A 100 kg football linebacker moving at 2 m/s tackles head-on an 80 kg halfback running 3 m/s. Assume the two players were initially running directly at one another. Neglecting the effects due to digging in of cleats. The moon pulls on the earth with ..
A rocket of total mass 3180Kg is traveling in outer space witha velocity of 115m/s. how much mass must be expelled
astronomers have recently measured the rotation of gas around what might be a supermassive black hole of about 2 million solar masses at the center of a galaxy. what doppler shift do you estimate they saw
A leopard seal jumps onto an uphill ice flow at 7 m/s. The ice is flat but sloped at 30o to the horizontal. Find how long is it before the seal slides back into the water
While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body mass. how fast is the person running
assuming the weight is evenly distributed.On a hot day in Las Vegas, an oil trucker loaded 37000 L of fuel. He encountered cold weather on the way to Utah, where the temperature was 23K lower than Las Vegas.
A right triangle has sides of 30, 40 and 50 cm. A charge of -10 x 10-6 C is placed at the right angle; a charge of + 10 x 10-6C at the smaller acute angle and a charge of + 5.0x10-6 C at the larger acute angle
At a playground, a 19kg child plays on a slide that drops through a height of 2.3m. The child starts at rest at the top of the slide. What is the childs speed at the bottom of the slide
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