Determine the numbers of photons at 660 nm must be
Determine the numbers of photons at 660 nm must be absorbed to melt 5.0 x 102 g of ice? (Hint: It takes 334 J to melt 1 g of ice at 0°C.) Describes in details.
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Our asteroid is in the shape of sphere and consists of a mass of 1000 kilograms. Find out the density (in grams per cubic centimeter) of the asteroid if its diameter is identified to be 1.2 meters. Useful information: 1 kg = 1000 g, 1 m = 100 cm,
There are n black balls and n white balls in the box. Illustrate, that choice of 2 balls of same colour happens less often than choice of balls of different colours. What occurs if n is very big?
Explain why is it possible to separate some compounds with identical boiling points by gas chromatography even though at all by distillation they cannot be separated, even fractional distillation?
A traveling wave is propagating in positive x-direction having an angular frequency of 6 x 10^12 rad/s. Its magnetic field is oscillating all along y-direction with amplitude of 1.2 x 10^-6 T. Determine: i) The amplitude for electric field.
Determine the maximum number of real zeros. Utilize Descartes's rule of signs to find out how many positive and how many negative zeros function comprise.
The top of the ramp is 1.65 m higher than the surface of the water and the ramp is inclined at an angle of 30.0° above the horizontal. The seal reaches the water having a speed of 4.90 m/s. (i) Determine the work is done through kinetic fricti
Discuss what will be the pressure inside the heated can, assuming the container remains intact during the incineration? A sealed can with an internal pressure of 721 Torr at 25 degree C is thrown into an incinerator operating at 755 degree C.
A car having a net mass of 1.59 x 103 kg consists of wheels of radius 29.5 cm and moment of inertia 0.780 kg • m2. (i) Determine the translational kinetic energy of car if the car is moving at a speed of 21.0 m/s.
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