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An object is moving in a circular path of radius 3 meter and is experiencing a centripetal acceleration of 6 g's.
a) Evaluate the linear speed of the object?
b) Estimate what is the period of the motion?
Consider a galvanometer with an internal resistance of 60Ω. If the galvanometer is being used as an ammeter (with no additional resistance) it deflects full scale when it carries a current of 0.5 mA.
A current density of 6.00 multiplied by 10-13 A/m2 existsin the atmosphere at a location where the electric fieldis 70 V/m. Calculate the electrical conductivity of the Earth's atmosphere in this region.
The position of a particle moving along an x axis is given by x = 20t2 - 3.0t3, where x is in meters and t is in seconds. compute the maximum positive velocity reached by the particle
How long would it take for an object dropped from the Leaning Tower of Pisa (height 54.6 meters) to hit the ground, and how fast was the object traveling at the moment of impact
A neutron at rest decays into a proton and a electron. How much Kinetic energy (in MeV) is shared by the electron and the proton?
A car initially traveling at 33.1 m/s undergoes a constant negative acceleration of magnitude 1.90 m/s2 after its brakes are applied. How many revolutions does each tire make before the car comes to a stop
A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). If you are driving this car in Europe and want to compare its mileage with that of other European cars, express this mileage in km/l (liter).
An ideal step-downtransformer has a primary coil of 380 turns and a secondary coil of20 turns. Its primary coil is plugged into an outlet with 115V(AC), from which it draws an rms current of 0.71 A.
A wire (mass = 50 g, length = 40 cm) is suspended horizontally bytwo vertical wires which conduct a current I = 8.0 A, What is the tension in eitherwire
Two narrow paralle slits illuminated by tellow light with a wavelength of \lambda = 600 nm produce fringes with a separation of 0.50 mm on a screen 2m away,
A rocket with mass 1000kg accelerates upwards at a rate of 20m/s (a) How long does it take before it is going at the speed of sound (334 m/s)? (b) How long does it take before the rocket is at a height of 100km?
Using kinematic equations prove that if two balls are released simultaneously from a table, one with zero velocity and other with horizontal velocity, they will both reach ground at the same time.
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