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A circular coil of wire 8.20 cm in diameter has 15.0 turns and carries a current of 3.20 A. The coil is in a region where the magnetic field is 0.650 T . Part A: What orientation of the coil gives t
A 10.7kg ball travels at 3.5m/s west when strikes a stationary 2.4kg ball. the larger ball moves off at 2.1m/s 45 degrees north of west, while the lighter ball moves off at an unknown velocity. What
What is the energy in joules per mole of orange light having awavelength of 625 nm? The speed of light is 3.00 X108m/s; Plank's constant is 6.626 X10-34 J s and Avogadro'snumber is 6.022 X1023.
Consider a piston-cylinder device that contains nitrogen gas as the system. Initially, the system is at 1 MPa and 427°C. It now undergoes an isobaric process until its temperature is 27°C. D
A mixture contains 2.54g eucalptol, 1.76g menthol, 3.21g methyl salicylate, and 1.95g thymol in 205.28g water. What is the percentage composition by mass for each component in the mixture? There are
A thick-walled spherical shell of charge Q and uniform volume charge density p is bounded by radii r1 and r2 > r1. With V = 0 at infinity, find the electric potential V as a function of distance
A solid uniform metal sphere of radius has a density of 8.00 . If you carefully scrape away the outer part so that the radius of the resulting sphere is now , its density will be?
Describe and analyze the forces acting on the Nerf toy and projectile (by all actors on the toy and projectile);
Solid carbon dioxide (CO2, dry ice) goes directly from a solid to agaseous state at -78°C . (Heat of sublimation=25.2 kJ/mol ) Calculate the amount of heat required for sublimation of 20.5g of d
An electron with kinetic energy 4.80 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 38.0 cm. Find the following values.
The decomposition of dimethyl ether, (CH3)2O(g) ® CH4(g) + H2(g) + CO(g), is first-order with a half-life of 1733 s at 500oC. In an experiment at this temperature, if [(CH3)2O]is 0.
An electron that has velocity = (3.7 x 106 m/s) + (3.0 x 106 m/s) moves through a magnetic field = (0.03 T) - (0.15 T) . (a) Find the force on the electron and its direction.
The vapor pressure of pure C2H5OH at30oC is 71.2 mm Hg and that of pure CCl4 is121.6 mm Hg. Calculate the vapor pressure of a solution containing20.00g of C2H5OH and 60.00g ofCCl4, assuming ideal
The length of the region containing the magnetic field is LB = 15 cm. The coil is observed to move at constant velocity v = 5 cm/s. What is the force required at time t = 0.8 sec to maintain this ve
A hockey puck with a mass of .115kg moving at 45 m/s strikes a dead octopus thrown onto the ice by a fan the octopus has a mass of .865 kg the puck hits the octopus and they slide off together what
There is a long straight wire carrying current I = 507 amperes. At a distance of 1.3 meter away, a small piece of wire (length 1 cm) carries a current of 13 amperes in a direction parallel to the lo
A 30.00 mL solution of potassium nitrate(KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 1.000 103 mL. The concentration of the final solution is 0.00370&nb
Mathematically speaking, the capacitor never fully discharges; however, practically speaking, we might consider the capacitor to be "fully discharged" when the charge left on it is less than the mag
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 4.0 m/s when it reaches a 12° incline.
One of the pieces has half the speed that the rocket had before it exploded and travels straight upward with respect to the ground. Determine the speed and direction of the second piece. (Use v0 for
The person walks radially to the edge of the platform. (a) Calculate the angular velocity when the person reaches the edge.
In lab, you have chosen to examine the properties of anideal mixture of tetrahydrofuran (THF, C4H8O) and dimethyl sulfoxide (DMSO,(CH3)2SO).
A grinding wheel is a uniform cylinder with a radius of 8.30 cm and a mass of 0.590 kg. (a) Calculate its moment of inertia about its center.
If the six-sided bolt head is 15 mm in diameter, estimate the force applied near each of the six points by a socket wrench.
Calculate the standard entropy change for the dissociation of molecular hydrogen, H2 (g) -> 2 H (g) at 298.15 K andat 1273.15 K, assuming that the heat capacities are constant