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A 45 cm diameter circular loop of wire is in a 0.525 T magnetic field oriented perpendicular to the plane of the loop. what is the average induced emf
The surface tension of water is 0.0730 N/m. What is the height of the water in a capillary tube of diameter 1.00 mm
A submarine is located 2.000 km below the surface of the water. What is the absolute pressure of the seawater on the outside of the submarine
A 1.4-m-diameter vat of liquid is 2.2m deep. The pressure at the bottom of the vat is 1.3atm. What is the mass of the liquid in the vat
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. Which ball has greater kinetic energy
A 101 g ball is tied to a string. It is pulled to an angle of 5.20 degrees and released to swing as a pendulum. How long is the string
FA 2.0%u03BCC charge and a 2.9%u03BCC charge are 11.0cm apart. Find a point where the electric field is zero
You are required to build a 12 picofarad capacitor. If the plates can be only 2mm apart and circular, what is the radius of each of the plates
A particle is moving around in a circle and its position is given in polar coordinates as x = Rcos?, and y = Rsin?, derive the equation for centripetal acceleration
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
An archer pulls back 0.75 m on a bow which has a stiffness of 200 N/m. The arrow weighs 50 g. What is the velocity of the arrow immediately after release
a 4.0 kilogram cart moving to the right and a 6.0 kilogram cart moving to the left on a horizontal frictionless surface. find the magnitude of the total momentum of the two-cart system
A 2.0-kilogram cart moving due east at 6.0 meters per second collides with a 3.0-kilogram cart moving due west. What was the initial speed of the 3.0-kilogram cart
A student applies a 20.-newton force to move a crate at a constant speed of 4.0 meters per second across a rough floor
A net force of 25 newtons is applied horizontally to a 10. kilogram block resting on a table. What is the magnitude of the acceleration of the block
A 10-A current flows for two minutes. How much charge has passed through this circuit
A pitcher throws horizontally a fast ball at 146 km/h toward home plate, which is 18 m away. find how far the ball drops because of gravity by the time it reaches home plate
A step-down transformer is used for recharging the batteries of portable devices. find the rms output voltage of the transformer
A simple pendulum of length of 0.350 m starts from rest at a maximum displacement of 10 degrees from the equilibrium position. When will the pendulum return to its starting position
Wire 1 and 2 are made of the same metal. What is the ratio p2/p1 of the resistivities of the two wires
An electron of kinetic energy 35 keV moves in a circular orbit perpendicular to a magnetic field of 0.390 T. Find the radius of the orbit
During a recent thunderstorm the wind was blowing past your roof at 40 m/s. Assuming that the density of air is 1.20 kg/m^3, What is the net force experienced by the roof
A passenger car traveling down a rough road bounces up and down at 1.2Hz with a maximum vertical acceleration of 0.25m/s2, What is the maximum speed of the oscillation
A uniform electric field exists in a region between two oppositely charged plates. What is the magnitude of the electric field
A point charge -Q is at the center of a spherical conducting shell of inner radius R1 and outer radius R2, What is the charge on the inner surface of the shell