chirayu

Popular questions and responses by chirayu
  1. physics

    A human wave. During sporting events within large, densely packed stadiums, spectators will send a wave (or pulse) around the stadium (Fig. below). As the wave reaches a group of spectators, they stand with a cheer and then sit. At any instant, the width w

    asked on April 30, 2009
  2. Physics

    A point source of light is 96.7 cm below the surface of a body of water. Find the diameter of the circle at the surface through which light emerges from the water. Water has an index of refraction of 1.33.

    asked on May 13, 2009
  3. physics

    In the Figure the pulley has negligible mass, and both it and the inclined plane are frictionless. Block A has a mass of 1.3 kg, block B has a mass of 2.7 kg, and angle è is 26 °. If the blocks are released from rest with the connecting cord taut, what

    asked on March 23, 2009
  4. physics

    An automobile tire has a volume of 1.60 x 10-2 m3 and contains air at a gauge pressure (pressure above atmospheric pressure) of 167 kPa when the temperature is 0.00°C. What is the gauge pressure (in kPa) of the air in the tires when its temperature rises

    asked on April 1, 2009
  5. maths

    when making a cone out of a given sector form a circle do we need to add circumfernce of the base circle to find its surface area?

    asked on October 18, 2009
  6. maths

    find the amount of sheet metal needed to form a conical funnel of base radius 30 cm and vertical height 50 cm, allowing for a 0.5 cm overlap at the join?

    asked on October 18, 2009
  7. physics

    Party hearing. As the number of people at a party increases, you must raise your voice for a listener to hear you against the background noise of the other partygoers. However, once you reach the level of yelling, the only way you can be heard is if you

    asked on May 13, 2009
  8. oscillations

    A human wave. During sporting events within large, densely packed stadiums, spectators will send a wave (or pulse) around the stadium (Fig. below). As the wave reaches a group of spectators, they stand with a cheer and then sit. At any instant, the width w

    asked on May 3, 2009
  9. physics

    An oscillator consists of a block attached to a spring (k = 299 N/m). At some time t, the position (measured from the system's equilibrium location), velocity, and acceleration of the block are x = 0.0817 m, v = -16.9 m/s, and a = -108 m/s2. Calculate (a)

    asked on May 3, 2009
  10. physics

    A human wave. During sporting events within large, densely packed stadiums, spectators will send a wave (or pulse) around the stadium (Fig. below). As the wave reaches a group of spectators, they stand with a cheer and then sit. At any instant, the width w

    asked on May 1, 2009
  11. physics

    An oscillator consists of a block attached to a spring (k = 299 N/m). At some time t, the position (measured from the system's equilibrium location), velocity, and acceleration of the block are x = 0.0817 m, v = -16.9 m/s, and a = -108 m/s2. Calculate (a)

    asked on May 1, 2009
  12. thermal physics

    The temperature of 7.10 mol of an ideal monatomic gas is raised 15.0 K in an adiabatic process. What are (a) the work W done by the gas, (b) the energy transferred as heat Q, (c) the change ÄEint in internal energy of the gas, and (d) the change ÄK in

    asked on April 9, 2009
  13. thermal physics

    What mass (in grams) of steam at 100°C must be mixed with 340 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 12.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and

    asked on March 25, 2009
  14. thermal physics

    What mass (in grams) of steam at 100°C must be mixed with 340 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 12.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, and

    asked on March 23, 2009
  1. Math riddle

    hw come this is any math riddle?

    posted on May 3, 2009
  2. physics

    A human wave. During sporting events within large, densely packed stadiums, spectators will send a wave (or pulse) around the stadium (Fig. below). As the wave reaches a group of spectators, they stand with a cheer and then sit. At any instant, the width w

    posted on May 3, 2009
  3. physics

    thank u so much for help Drwls!!!!!!!!!!1

    posted on March 23, 2009
  4. physics, lenses

    it depends on the position of the object. u need to c that if v and u bth are on same side or opposite side because that changes the sign of v and u to positiv and negative. i hope u gt tht

    posted on March 23, 2009