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You have a battery marked "6.00 V." When you draw a current of 0.281 A from it, the potential difference between its terminals is 5.43 V. What is the potential difference when you draw 0.511 A?
Two trains on separate tracks move toward each other. Train 1 has a speed of 127 km/h; train 2 a speed of 80.0 km/h. What is the frequency heard by the engineer on train 1
A person lies on a balance board as shown in the figure below. The person weights 80 kg, and the scaleunder the person's feetreads 30 kg. Compute the position of the person's center of gravity
A roller coaster at the Six Flags Great America amusement park in Gurnee, Illinois, incorporates some clever design technology and some basic physics. What is the radius of the arc of the teardrop at the top
A positively charged oil drop is injected into a region of uniformelectric field between two oppositely charged, horizontallyoriented plates spaced 16 cm apart. If the electric force on thedrop is found to be 7.8 x 10-16 Nand the electric field m..
A total electric charge of 4.50 nC is distributed uniformly over the surface of a metal sphere with a radius of 22 cm. The potential is zero at a point at infinity. Find the value of the potential at 45 cm from the center of the sphere.
A student (m = 56 kg) falls freely from rest and strikes the ground. All through the impact with the ground, he comes to rest in a time of 0.04 s.
Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.
The Golden Gate Bridge in San Francisco has a main span of length 1.28 km, one of the longest in the world. At what temperature would the wire reach its elastic limit
Suppose the magnetic field changes uniformly from 0.405 T to 0.220 T in the next 0.684 s. Compute the induced emf in the coil
Christian is making a Tyrolean traverse as shown in the figure. That is, he traverses a chasm by stringing a rope between a tree on one side of the chasm and a tree on the opposite side, 23m away.determine the tension force in the rope
A space traveler weighs 550 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?
If a projectile is launched vertically from the Earth with a speed equal to the escape speed, how far from the Earth's center is it
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