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A small package is fired off Earth's surface with a speed v at a 45° angle.It reaches a maximum height h above the surface, h = 6370 km, a value equal to Earth's radius itself. What is its spee
As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle as it moves through the given displacement
What angle(s) does a particle's velocity have to make with the magnetic field direction for the particle to be subjected to half the maximum possible magnetic force, Fmax?
Consider a square of side 44 cm. Let one corner, point P, be charge-free, while the other three of the four corners have point charges at them. The corner opposite to (and most distant from) point P
You may assume that there is no friction between the rail and the 1.5-gram "projectile." What is the direction and magnitude of the magnetic field?
One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 429 N. What is the radius of the brass ball?
The volume flow rate of the oil is 5.6 × 10-5 m3/s. The length of the pipe is 39 m, and its radius is 0.59 cm. At the output end of the pipe the pressure is atmospheric pressure. What is the
A toy balloon is filled with helium gas (He) at 1atm at 18 degrees C. If the volume of the balloon is 0.023m^3 how many atoms does it contain?
A cube of ice is taken from the freezer at -9.4°C and placed in a 100 g aluminum calorimeter filled with 308 g of water at room temperature of 20°C. The final situation is observed to be all
A proton (mass m = 1.673 x 10-27 kg) is bound in a finite square well of width 4fm. The depth of the well is six times the ground-level energy of the corresponding infinite depths well. a) What is
Man 1 was experimenting with friction and attempting to pull Man 2 across the surface of a floor. Man 1 applies a pulling force of 60 N and Man 2 weighs 103 N.
Consider a point charge with a charge Q, located at the origin, in an empty space. Let the electric potential be zero at infinity. Suppose that at a distance r from this charge, the magnitude of the
Suppose you look through a 3.7 mm thick window comprised of a material whose refractive index is 1.57. (a) By what time interval is the light you see delayed by having to go through glass instead of a
An iron boiler of mass 230 kg contains 900 kg of water at 23°C. A heater supplies energy at the rate of 51500 kJ/h. How long does it take for the water to all have changed to steam?
You observe that the first dakr fringes on either side of the central bright fringe on the scren are 17.5 cm apart. A) What is the refractive index of the liquid?
If 15 g of liquid nitrogen boil, how much heat is absorbed from the atmosphere (or your hand if you touch it)? Include the unit for heat (1 letter).
A 626 keV x-ray photon scatters from an electron at rest, deflecting through 113 degrees. What is the scattered photon's energy?
A solenoid of 200 turns carrying a current of 2 A has a length of 25 cm. What is the magnitude of the magnetic field at the center of the solenoid?
A circular loop of wire of radius 0.50 m is in a uniform magnetic field of 0.30 T. The current in the loop is 2.0 A. What is the magnetic torque when the plane of the loop is perpendicular to the ma
A slender rod with a length of 0.300m rotates with an angular speed of 8.80 rad/s about an axis through one end and perpendicular to the rod. The plane of rotation of the rod is perpendicular to a
Calculate the area of thrust block necessary to bear the force from this pipe bend.
If he places the lenses 10.0 cm apart, what is the maximum overall magnification he can produce in a microscope?
Rank the periods of the following oscillating systems from greatest to smallest. If any periods are equal, show their equality in your ranking. (Use only ">" or "=" symbols. Do not include any pa