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Two kids are on a merry-go-round. The boy, located 3m from the center of the merry-go-round, is feeling a centripetal acceleration of 2 m/s2. The girl 6m from the center. What is her centripetal acceleration? (Hint: both kids complete a cycle in the same amount of time).
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 16.0° below the horizontal. The length of time the car is in the air
A bat flying in a cave emits the sound pulse and receives its echo in 3.5 s. How far away is the cave wall.
A girl of mass m is taking a picnic lunch to her grandmother. She ties a rope of length R to a tree branch over a creek, What is the minimum breaking tension for the rope
The current in a solenoid with 21 turns per centimeter is 0.45A, Find the magnitude of the net magnetic field a radial distance of 0.70 cm from the straight wire.
A capacitor consists of a set of two parallel plates of area A separated by a distance d. find the magnitude of the charge on the plates
A liquid of refractive index 'n' is filled in a beaker of height 'h'. Find the amount by which a coin at its bottom seems to be raised.
Two capacitors of capacitance 6microF and 8 micro F are connected in parallel. What is the equivalent capacitance of this combination
A 250 gram sample of a metal is warmed from 60 degrees celcius to 85 degrees celcius when 1000 cal are added. What is the specific heat constant of the metal.
A 4.0-W resistor has a current of 3.0 A in it for 5.0 min. How many electrons pass through the resistor
At the upper atmosphere, the Earth receives approximately 1 KW/m^2 of energy from the sun. If the sun emits energy uniformly into space, what will be the sun's total mass loss
Blocks A (mass 2.00kg ) and B (mass 10.50kg ) move on a frictionless, horizontal surface. Find the maximum energy stored in the spring bumpers and the velocity of each block at that time
What would be the potential difference VC - VB across the thin resistor if the battery emf is 4.00 volts? Suppose that the electric field in the thick wires is very small (so that the potential differences along the thick wires are negligible)
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