Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Lasers can be utilized to drill or cut material. One such laser generates a series of high-intensity pulses rather than a continuous beam of light. All pulse contains 0.500 J of energy and lasts 10 nanoseconds. The laser fires ten pulses per second.
a. What is the power of the laser light through one of the pulses?
b. What is the average power of the laser (ie. The total energy delivered per second)?
c. A lens focuses the laser beam to a circular spot 10. μm in diameter. What is the light intensity?
d. What is the ratio of the laser intensity on the target to the intensity of the sun at midday (which is about 1100 W/m2)
The Greenland Ice Sheet covers an area of about 1 .7 . 1 06 km2 with a mean thickness of about 1 .4 km. What is the renewal time (years) of the Greenland Ice Sheet
Green light at 532 nm lights a diffraction grating with 800 lines per cm. Diffraction pattern is on screen 7.5m away. Calculate distance between the diffraction peaks on the screen
A box 10 kg in massis sitting 4 meters above the ground on the edge of a skateborders half-pipe ramp. What will the speed of both boxes be after collison
a 2000 kg car pushes a 3000 kg truck that has a dead battery. the drive wheels of the car push against the ground with
A spherical hydrogen-filled balloon is used to lift a load of 5595 N (in addition to the weight of the hydrogen). Find the minimum necessary radius for the balloon
During a wicked thunderstorm, Sam sees two bolts of lightning simultaneously strike two points 5.66 m apart. how far apart do the two lightning bolts strike
Three forces are applied to an object. Force F1 has a magnitude of 20.3 newtons (20.3 N) and is directed 30.0° to the left of the +y axis.
Suppose one gallon of gasoline produces 1.41×108 J of energy, and this energy is sufficient to operate a car for 20.0 miles. how many miles could the car go on a single tablet
An average froghopper insect has a mass of 12.3 mg and reaches a maximum height of 290 mm when its takeoff angle is 58 degrees above the horizontal. Find the takeoff speed of the froghoppper
A sled slides down a small ice- covered hill(no friction). If thesled starts from rest at the top of the hill, What is the height of the hill
A charge of -2.2×10-9 C is at the origin and a charge of 6×10-9 C is on the x-axis at x = 3m. At what two locations on x-axis (xpositive, xnegative) is the potential zero.
Heat is added to two identical samples of a monatomic ideal gas. In the first sample the heat is added while the volume of the gas is kept constant, By how much does the temperature of this sample increase
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd