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A spark plug in an automobile engine consists of two metal conductors that are separated by a distance of 0.80 millimeter. When an electric spark jumps between them, the magnitude of the electric field is 3.9 x 107 V/m. Obtain the magnitude of the potential difference between the conductors?
An air molecule is moving at a speed of 455 m/s. How many meters would the molecule move throughout 7ms (milliseconds) if it didn't collide with any other molecules.
A beetle 4.80mm is examined with magnifier of focal length 10.3 cm. what is the apparent length of the beetle
A spherical raindrop of mass 0.00942 g and radius 1.31 mm falls from a cloud that is at a height of 1115 m above the ground. What would be the raindrop's speed just before landing on the ground if there were no drag force
A 65kg person throws a 0.0410 kg snowball forward with a ground speed of 28.0 m/s. A second person, with a mass of 60kg, catches the snowball. Both people are on skates.
You are pulling a suitcase through the airport at a constant speed. the handle of the suitcase makes an angle of 53 degrees with respect to the horizontal direction. what is the force of friction acting on the suitcase
Elucidate the spacing between peaks
a particle oscillates in simple harmonic motion with a period of 2.04 s and anamplitude of 4.71cm. at t 0 it is at z
when you push down on a bicycle pump the pressure on the gas changes from 1.0 atm to 3.0 atm. by what factor does the
A river has a steady speed of 0.490 m/s. A student swims upstream a distance of 1.00 km and swims back to the starting point, If the student can swim at a speed of 1.10 m/s in still water, how long does the trip take
An Atwood's machine consists of blocks of masses M1=10 kg and M2=20 kg attached by a cord running over a pulley. The pulleys is a solid cylinder with mass M=8 kg and radius r=.2 m. The block of mass M2 is allowed to drop, and the cord turns the pu..
A stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed at an angle θ0 = 66.0° above the horizontal. The stone strikes at A, 5.37 s after launching. Find out (a) height h of the cliff, (b) speed of the stone just before..
the projection lens in a certain slide projector is a single thin lens. a slide 24.5 mm high is to be projected so that
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