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Decide the potential difference among the ends of a wire of resistance 5.0 Ω if 720 C passes through it per minute. (book answer is 60 v ) can you show me show they arrived at this answer ?
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Quesiton: You stand at the top of a deep well. To determine the depth (D) of the well you drop a rock from the top of the well and listen for the splash as the water hits the water†TM s surface. The splash arrives t = ...
Question: People have proposed driving motors with the earth's magnetic field. This is possible in principle, but the small field means that unrealistically large currents are needed to produce noticeable torques. Suppos ...
Question: In this problem we will consider a collision of two moving objects such that after the collision, the objects stick together and travel off as a single unit. The collision is therefore completely inelastic. You ...
Question: You are testing a new amusement park roller coaster with an empty car with a mass of 110KG . One part of the track is a vertical loop with a radius of 12.0 METERS . At the bottom of the loop (point A) the car h ...
Three people are fighting over a book. The mass of the book is m=9.18kg. Each person exerts a force on the book, F. The angle between the first person and the second person's force is 125.9 degrees. If the first person i ...
A rock takes 2.1 s to hit ground when it is thrown straigh up from a cliff with initial velocity of 7.5 m/s. Calculate height of the cliff in m & length it would take to reach the ground if thrown down with same speed.
Question: The surface charge density on an infinite charged plane is - 1.70 x 10^-6 C/m^2 . A proton is shot straight away from the plane at 2.20 x 10^6m/s. How far does the proton travel before reaching it's turning poi ...
Question: A superball with mass m equal to 50 grams is dropped from a height of hi = 1.5 m . It collides with a table, then bounces up to a height of hf= 1.0m. The duration of the collision (the time during which the sup ...
Question: A proton (with a rest mass m=1.6 x 10 27 kg) has a total energy that is 4.00 times its rest energy. What is the magnitude of the momentum p of the proton? Please explan in detail each step and what equations ar ...
Question: In this problem you will estimate the heat lost by a typical house, assuming that the temperature inside is Tin=20^C and the temperature outside is Tout=0^C. The walls and uppermost ceiling of a typical house a ...
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