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A proton and an electron are moving due east in a constant electric field that also points due east. The electric field has a magnitude of 7.0 × 104 N/C. Determine the magnitude of the acceleration of the proton and the electron.
A ball thrown straight up from the ground passes a window 5.6 m up. An observer looking out the window sees the ball pass the window again, going down, 2.6s later
A 0.90-kg block is suspended from a spring with a spring constant of 640.0 N/m. Find the amplitude of the subsequent motion
at a concert you sit 12 m directly in front of one of the two speakers on the front of the stage. the other speaker is
A pinball bounced around its machine before resting between two bumpers. determine the total displacement\'s magnitude and direction
A simple pendulum is made from a 0.60-m-long string and a small ball attached to its free end. how much time elapses before it attains its greatest speed
Jill jumps off the diving board with a velocity of 1.7 m/s at 38 degrees above horizontal. if the water surface is 2 meters below the board: with what velocity will she hit the water
Assume a ray of light is incident on an air / material boundary at 45 degrees to the normal. What is the critical angle for the material when it is surrounded by air
A 1.50 kg snowball is fired from a cliff 13.0 m high with an initial velocity of 14.0 m/s, directed 41.0° above the horizontal. If that gravitational potential energy is taken to be zero at the height of the cliff, what is its value when the snowbal..
Two ants race across a table 66 cm long. One travels at4.42 cm/s and the other at 3cm/s. When the first one crosses thefinish line, how far behind is the second one
A block of mass m1 = 0.55kg is placed on top of another block of mass m2 =0.91kg, What minimum coefficient of static friction between the two blocks will prevent the upper one from slipping
The heating element of a simple heater consists of a 2.0--long, 0.70--diameter nichrome wire. The heating element of a simple heater consists of a 2.0--long, 0.70--diameter nichrome wire.
find out the escape speed from Jupiter's moon Callisto
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