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A parallel-plate air capacitor of area A = 21.9 cm2 and plate separation of d = 3.60 mm is charged by a battery to a voltage of 64.0 V. how much additional charge will flow from the battery
The intensity of an earthquake wave passing through the Earth is measured to be 2.5×106 at a distance of 55 from the source. At what rate did energy pass through an area of 3.0 at 1.0
The density of a sample of air is 1.205 kg/m3, and the bulk modulus is 1.42 105 N/m2, Find the temperature of the air sample
Two parallel plates, each of area 6.52 cm2, are separated by 3.00 mm. The space between the plates is filled with air. Calculate the magnitude of charge stored on each plate
Conversations with astronauts on the lunar surface were characterized by a kind of echo in which the earthbound person's voice was so loud in the astronaut's space helmet, Calculate the distance fro
An air-filled parallel plate capacitor with a plate spacing of 1.50 cm has a capacitance of 7.20 ?F. Calculate the dielectric constant of the inserted material
cart is propelled over an xy plane with acceleration components ax = 4.5 m/s2, what is the velocity of the cart when it reaches its greatest y coordinate
One afternoon, a couple walks three-fourths of the way around a circular lake, What is the magnitude of the couple's displacement
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 26.5 m/s. find the airplane\'s acceleration
A Carnot engine operates between the temperatures 420K and 300K, How much heat is discarded to the cold reservoir as this work is done
The electric potential at a position located a distance of 19.8 mm from a positive point charge of 7.80×10-9C, Calculate the value of the second charge
9.00 of aluminum at and 19.0 of copper are dropped into 51.0 of ethyl alcohol at. What is the initial temperature of Copper
A rock is thrown vertically upward from ground level at time t = 0. At time t = 1.8 s it passes the top of a tall tower, What is the height of the tower
The position of a particle moving along an x axis is given by x = 22t2 - 3.0t3, where x is in meters and t is in seconds. Determine the position, velocity, and acceleration of the particle
A 70-? electrical appliance and a 90-? electrical appliance are plugged into the outlets of a house. By what factor will the power used change
Two cars collide head on while each is traveling at 90. What is the temperature increase of each car
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. How many electrons are there in 4.95 liters of water
A positively charged oil drop of mass 1.0 × 10-15 kg is placed in the region of a uniform electric field between two oppositely charged, What is the magnitude of the charge on the drop
Larry is standing at the edge of a vertical cliff 210m about the sea. how far has the rock traveled horizontally when it hits the water
A block of mass m = 2.00 kg is released from rest at h = 0.700 m from the surface of a table, How far from the table will the block hit the floor
An eagle perched on a tree limb 19.5 m above the water spots a fish swimming near the surface. How long does it take for the eagle to reach the water
an object is thrown upward with a speed of 12m/s on the surface of planet x, What is the maximum height reached by the object
A wind turbine with a rotor diameter of 50 m is rated at 2500 kW at a hub height wind speed of 10 m/s. Calculate the number of hours per year that the wind is below the cut-in speed
Two cars are each traveling at 27.0 m/s, and they are approaching each other. What frequency of is heard by the driver of the other car
A certain loudspeaker (assumed to be a point source ) emits 30.0 W of sound power. Calculate the power intercepted by the microphone