Physics

Question A 1500kg roller coaster is at the top of a track and is travelling forward with a velocity of 1.0 m/s. It then goes down the track a distance along the track of 50m. The ...

Question A pendulum of mass 0.4kg and length 0.6 m is pulled back and released from and angle of 10Ëš to the vertical. What is the speed of the mass as it passes its lowest point...

Question A toy truck, with mass 20.0 g, travels along a level tabletop at 0.50 m/s. A miniature car, with mass 5.00 g, speeds headlong toward the toy truck at 0.75 m/s. Immediatel...

Question A hollow concrete column has a rectangular cross-section with an external breadth of 300mm and an external depth of 600mm.The internal breadth is 240mm and the internal d...

Question A double- effect evaporator is to be designed to concentrate a 5.0% (mass) NaOH solution to 30%. Steam is available at 3300F, 77.3 psia and the condensing temperature of ...

Question A man is walking at 4 km per hour, in the direction 65° west of north. What are the magnitudes of the north and west components of the velocity?   Summary The...

Question A piston of mass 0.2kg moves with simple harmonic motion. If the amplitude of the piston oscillation is 70mm and its period of oscillation is 0.1 second, calculate: (i) ...

Question A solid steel shaft 3m long with a diameter of 5mm is to transmit power at a rotational speed of 800rpm.The modulus of rigidity of the shaft material G is 90 GPa. If the ...

Question A 1.5m long cylindrical shaft has an external diameter of 60mm and an internal diameter of 30mm.The shaft is subjected to a torque of 1200-Nm.If the modulus of rigidity o...

Question A car of mass 1200kg traveling with a velocity of 30 meters per second collides head on into a stationary car which has a mass of 800kg.After the impact the two vehicles ...

Question A voltage of 50 volts RMS at 50Hz is applied across a series R-L circuit. If the supply current is 2.7 amps RMS and the voltage across R is 34 volts RMS, calculate R and ...

Question A body of mass 2kg hangs from a spiral spring. When the mass is pulled down 10cm from its rest position and released. It vibrates with simple harmonic motion. The frequen...