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A parallel-plate air capacitor of area A=16.0cm2 and plate separation d=3.40mm is charged by a battery to a voltage 52.0V. how much additional charge will flow from the battery onto the positive plate
A copy of The History of the Decline and Fall of the Roman Empire by Edward Gibbon lies exactly in the middle of an otherwise empty 6.1m long bookshelf in Robarts Library. What is the speed at which
A curve of radius 72m is banked for a design speed of 125km/h.If the coefficient of static friction is 0.34 (wet pavement), at what range of speeds can a car safely handle the curve
A car of mass 9.50×102kg and a truck of mass 3.00×103kg run into one another due to ice on the road. Calculate the size of the force on the car due to the truck at that time
A 41.7kg boy and a 56.4kg girl are on the surface of a frozen lake, 14.0m apart. Calculate the magnitude of the boy's acceleration
A homer run is hit in such a way that the baseball just clears a wall 14m high, located 122m from home plate. find the speed of the ball when it reaches the wall
Assuming a mass density of 3.5 g/cm^3 for rock and 1 g/cm^3 for ice, calculate the radius of the rocky core for each of the galilean satellites with complete differentiation
Emily has a field with uniformly cut grass of height 2 cm which grows at a constant rate. How long would it sustain each animal alone
A light bulb has a resistance of 280 ?. It is connected to a standard wall socket (120 V rms, 60.0 Hz).Determine the current in the bulb
A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0 ? , Find the vertical component of the force
You plan to fly a model airplane of mass 0.390 kg that is attached to a horizontal string. The plane will travel in a horizontal circle of radius 5.90 m. Find the speed at which you must fly the pla
A circuit consists of a resistor in series with an inductor and an ac generator that supplies a voltage of 115 V. Find the average power delivered in the circuit
In a series circuit, a generator (1436 Hz, 14.7 V) is connected to a 15.2-? resistor, a 3.85-µF capacitor, and a 5.47-mH inductor. Find the voltage across each circuit element
A 64.0-kg person holding two 0.750-kg bricks stands on a 2.20-kg skateboard. Initially, the skateboard and the person are at rest. What is the recoil speed of the person
Earth-Moon Center of Mass The Earth has a mass of 5.98×1024kg, the Moon has a mass of 7.35×1022kg, How far from the center of the Earth is the Earth-Moon center of mass
A neutron (mass 1 u) strikes a deuteron (mass 2 u) and the two combine to form a tritium nucleus. What was the velocity of the deuteron
A cart of mass m moves with a speed v on a frictionless air track and collides with an identical cart that is stationary. what is the final kinetic energy of the system
A 20kg box is on a level surface pressed against a spring compressed 25cm and with k=1000 k/m. How far does the box go up the hill
When spiking a volleyball, a player changes the velocity of the ball from 4.0m/s to -28m/s along a certain direction. what is the mass of the volleyball
In a typical golf swing, the club is in contact with the ball for about 0.0010 s. estimate the magnitude of the force exerted by the club on the ball
A 100-kg object and a 400-kg object are separated by 4.20 m. Find the magnitude of the net gravitational force exerted by these objects on a 64.0-kg object placed midway between them
you are handed an apple that has a mass of 102g. to get a better of idea of what different pressure feel like, what is the pressure of the apple
The average density of the planet Saturn is 688 kg/m3. The acceleration of gravity on its surface is 11.20 m/s2. Calculate the average radius of Saturn
A parallel-plate capacitor with plates of area 580 cm2 and is connected across the terminals of a battery. What is the magnitude of the charge on each plate
A white billiard ball with mass mw = 1.49 kg is moving directly to the right with a speed of v = 3.06 m/s, What is the final total energy of the system