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If a ceiling fan rotating with the angular speed of 2.43 rad/s is turned off, a frictional torque of 0.153 Nm slows it to a stop in 17.8 s. Find the moment of inertia of the fan?
Determine how far are the masses from the axis of rotation at this time, considering the masses to be points? Find out the initial and final kinetic energy of the system?
Determine how far from the thin lens is the image of the cat due merely to the thin lens and the left refracting surface of the glass ball? Determine how far from the thin lens is the final image of
A ball of 49 g comprises of a plastic spherical shell and a water-filled core. The shell consists of an outside diameter equivalent to 57.2 mm and an inside diameter equivalent to 16.2 mm. Determine
A car having a mass of '1000.0 kg' is moving at a speed of '12.0 m/s'. What should be the speed of a tennis ball having a mass of '0.06 kg' when it consists to encompass the similar kinetic energy a
A box of mass '2000.0 g' is at rest on the top of a building '200.0 m' tall. The box is then allowed to drop. Determine the velocity of the box if it has fallen by '80.0m'. Employ only energy consid
A compound lens assembly consists of 2 lenses which are 5 cm apart with the focal lengths of a 135 cm and 275 cm. Determine the focal length and back focal length for this assembly?
A particle of 4.5 kg and a 2.4 kg particle encompass a gravitational attraction with a magnitude of 2.3 x 10-12 N. Determine the gravitational potential energy of the two-particle system?
With a grating spacing of around 2250 nano-meters, a light wave length of 500 nano-meters, for orders 1 and 2, determine the corresponding angles which will be in-phase for this grate spacing?
Determine the focal length of a lens whose radius of curvatures are around 125 cm and 155 cm and whose thickness is around 2 cm and consists of an index of refraction of 1.5?
The painter weighs 655 N and the ladder weighs 134N. Supposing no friction among the house and the upper end of the ladder, evaluate the force of friction which the driveway applies on the bottom of
For a single slit opening of 20 micrometers, a wave length of around 250 nanometers and a distance of around 100 cm to the viewing screen, for orders 1, 5 and 10, evaluate the corresponding displace
A block begins from rest at the top of a 31.0° inclined plane and encounters a spring, of constant 3.4kN/m rigidly joined to the plane. When the mass of block is around 33 kg and it compresses t
Material 1 and 2 encompass refractive indices of around 100 and 215. When a ray entering material 1 is at an incidence angle of 35 degrees, evaluate the angle of refraction in material 2? As well, w
Determine the maximum energy of a photon of orange light, a photon of green light, a photon of blue light and a photon of violet light in joules? As well, evaluate the minimum energy of a photon of
A vertical spring oscillator having mass m=3 kg and spring constant k = 200 N/m is in simple harmonic motion. Compute:
A vertical spring oscillator having mass m = 3 kg and spring constant k = 200 N/m is in simple harmonic motion. Compute:
At t = 0, a battery is joined to a series arrangement of a resistor and an inductor. When the inductive time constant is around 37.0 ms, at what time is the rate at which energy is dissipated in the
If I wish for to place a detector on the screen so it can view a 535 nm photon from the fourth order spectrum, determine how far from the normal line must the detector be positioned? As well state t
Determine the angle of the light that makes the fourth maximum? Determine at what wavelength is the laser operating?
An object in equilibrium consists of three forces applied on it. A 33 N force acts at 90 degrees from the x-axis and a force of 44 N acts at 60 degrees. Determine the magnitude and direction of the
An electric motor rotating the workshop grinding wheel at a rate of around 100 rev/min is switched off. Suppose the constant negative angular acceleration of magnitude 2.00 rad/s2. i) Determine how
One culture is left on earth and the other positioned on a rocket which travels at a speed of 0.787c relative to the earth. At a time when the earthbound culture has grown to 32 bacteria, determine
A cable is joined 3.4 m from the hinge where the bridge pivots and pulls horizontally on the bridge to hold it in place. Determine the tension in the cable?
Explain why does the internal energy of the gas not change? Compute the work done by the gas and the heat flow into the gas?