How many photons and moles of photons does it emit
A laser emits light at a wavelength of 591 nm. How many photons and moles of photons does it emit each second if its power is 6.0 W?
Expected delivery within 24 Hours
The mass of mercury needed to fill the tube is found to be 107.5g. Calculate the inner diameter of the tube in centimeters.
Two loudspeakers are placed at either end of a gymnasium,both pointing towards each other . the sound emmited by the speakers are in phase and are of frequency of 256 Hz . an observer midway between the speakers expriences an intensity maximum. Ho
How much heat energy is needed to raise the temperature of a 50 g sample of aluminum from 32.7 ?C to 98.7 ?C? The speci?c heat of aluminum is 0.897 J/g · K. Answer in units of J
After a package is ejected from the plane, how long will it take for it to reach sea level from the time it is ejected? Assume that the package, like the plane, has an initial velocity of 270 mph in the horizontal direction.
A coin is placed on a vinyl record making 45 revolutions per minute. Calculate the period for the record. The coin is placed 9.1 from the center. The centripetal acceleration is _____ m/s2.
When numbers are very small or very large, it is convenient to either express the value in scientific notation and/or by using a prefix with the unit.
A cord of mass 0.730 kg is stretched between two supports 38.0 m apart. If the tension in the cord is 460 N, how long (in s) will it take for a wave-pulse to travel via the cord from one support to the other?
An aqueous solution contains 13.5% NaCl by mass. What mass of water (in grams) is contained in 2.1L of the vapor above this solution at 55 °C? The vapor pressure of pure water at 55 °C is 118 torr. (Assume a van't Hoff factor of 1.9 for NaCl.) &
1957281
Questions Asked
3,689
Active Tutors
1444885
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Select a target behavior of your own (or ask for permission to record a friend's/family member's behavior), and conduct an ABC assessment.
Your exploration of the customs of shaking hands and using "please" and "thank you" beautifully illustrates Skinner's concept of social-physical contingencies
Examining the audience demographics and psychographics can help formulate an approach that will help your audience know what the problem is
After only two weeks on the job, Luka quits, disillusioned. Which of the following best describes what Luka experienced?
content area top Part 1 Which one of the following techniques for substance use disorder treatment can be described as a? "client-centered,
which we experience as unpleasant (Pastorino & Doyle-Portillo, 2022). This method of coping focuses on regulating these unpleasant emotions.
Problem: Which of the following student characteristics causes an increase in the use of metacognitive strategies?