# 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

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.

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

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

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?

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?

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

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

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)

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

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)

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

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

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

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