How several visible-light photons are emitted per second

Assignment Help Physics

Reference no: EM1346908

Q. If the average frequency emitted by a 200,-,rm W light bulb is 5.00 times 10^{14} , {rm Hz}, and 10.0% of the input power is emitted as visible light, approximately how many visible-light photons are emitted per second?

Q. A 1125-kg car and a 2250-kg pickup truck approach a curve on the express way that has a radius of 225 m. (a) At what angle should the highway engineer bank this curve so that vehicles traveling at 95 km/h can safely round it? (b) As the car and truck round the curve at 95 km/h, find the normal force on each one due to the highway surface.

Reference no: EM1346908

Questions Cloud

How far the piston move : A professor's office door is 0.95 wide, 2.2 high, 4 thick; has a mass of 22 , and pivots on frictionless hinges. A "door closer" is attached to door and the top of door frame. When the door is open and at rest, the door closer exerts a torque of 5..

Which cost systems would companies use : Recognize which costing system - job order or process cost - the following companies would use:

Determine rate of return on the investment : The stock of the Madison Travel Corporation is trading for $56 per share. You put a limit purchase order at $48 for one month. During the month, the stock price decrease to $46,

Needham company job costing system-calculate operating : Needham Company uses normal costing in its job-costing system. Partially completed T-accounts and additional information for Needham for 2008 are as follows:

How several visible-light photons are emitted per second : A 1125 kg car and a 2250-kg pickup truck approach a curve on the express way that has a radius of 225 m. (a) At what angle should the highway engineer bank this curve so that vehicles traveling at 95 km/h can safely round it? (b) As car and truck ..

Find the average daily trading volumes : You have assembled the given data about the daily trading volume for following two sample groups of stocks during a recent 5 day period.

Description of communication : Effective communication skills a must skill for successful leadership and how can responsible supportive communication assist in establishing positive group

Rank metals on the basis of the maximum wavelength : A uniform plank of length 2m and mass 29kg is supported by three ropes, as indicated by the blue vectors. Find the tension in each rope when a 690N person is 0.500m from the left end.

Calculate the return on assets for the bank : There is a commercial bank is only answer first loan portfolio $100m for thirty year fixed-rate mortgages with yearly payments & who's only liabilities are single 90,000,000 one year certificate of deposit.

User Account

All Pages