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Question1
A source emits 531.62-nm and 531.81-nm light.
(a)What least number of grooves is required for a grating that resolves the two wavelengths in the first-order spectrum?
(b) Conclude the slit spacing for a grating 1.32 cm wide that has the necessary minimum number of grooves.
Question2
In outer space, far from other objects, block 1 of mass 70 kg is at position < 10, 10, 0 > m, and block 2 of mass 800 kg is at position < 22, 10, 0 > m. What is (vector) gravitational force acting on block 2 because of block 1?
Question3
David is driving a steady 25 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a stable 2.70 m/s^2 at an instant as David passes. How far does Tina drive before passing David?
What is her speed as she passes him?
Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. Determine the induced emf within a circle of tissue of radius 1.9 mm and that is perpendicular to the direction of the field
Describe how a uniform electric field might be used to measure distance. Hint: In the parallel electrode arrangement, what parameter(s) varied with distance between the electrodes and what parameter(s) stayed constant?
There are approximately 120 million TVs in the United States. Each uses, on average, 75 W of power, how much money is spent every day in keeping the TVs turned on
You want to take a bath with the water temperature at 35°C. The water temperature is 38°C from the hot water tap and 11°C from the cold water tap. You fill tub with a total of 191kg of water. How many kilograms of water from the hot water tap do y..
Two protons are separated by a distance of 0.06 cm. What is the magnitude of the electric force for the protons
Two children setup a "telephone" by placing a long, slender aluminium (Y = 6.9 × 1010 N/m2) bar that has a length of 6.1-m between their two houses. To communicate, the child taps a coded message on one end. How long do the sound waves take to reach ..
A charge of -3.80 nC and a charge of -6.00 nC are separated by a distance of 60.0 cm. Find out the position at which a third charge of +7.30 nC could be placed so that the net electrostatic force on it is zero.
A 3.4-m-tall, 40-cm-diameter concrete column supports a 2.0×105kg load, By how much is the column compressed
A 4.5 box slides down a 4.7 high frictionless hill, starting from rest, across a 1.6- -wide horizontal surface, afterwards hits a horizontal spring with spring constant 550 . The other end of the spring is anchored against a wall. The ground under..
An infinitely long uniformly charged cylinder of radius R is shown. (a) Using symmetry arguments, sketch the shape of the electric field of the cylinder. (h) Use Gauss's Law to show that the electric field magnitude within the cylinder is
Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. What was the initial speed and direction of the proton
A man slides along a long water slide and then being launched into the air to land in a water pool. Find the magnitude of the velocity at landing
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