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For a double-slit experiment, the inside edges of two 1.65-mm wide slits are separated by a distance of 1.31 mm. The slits are illuminated by a laser beam with wavelength 633 nm. If a screen is placed 5.41 m away from the slits, determine the separation of the bright fringes on the screen.
The technique known as potassium-argon dating is used to date old lava flows. The potassium isotope 40K has a 1.28 billion year half-life, What is the age of the rock
A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 34.0 dB. What is the intensity delivered to the eardrum
A 626-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean radius. Find the gravitational force acting on it
two blocks of mass 3 kg and 6 kg resp are placed on a smooth horizontal surface. they are connected by a light spring
You stand on the shore of a small river that measure 10 meters across. You take your cat and throw it into the middle of the stream. How long did it take the cat to reach you
Water flowing through a 2.00cm diameter pipe can fill a 280 L bathtub in 5.0 minutes. What is the speed of the water in pipe.
A ball is thrown at an angle of 40o and speed 110m/s. Assume the object is launched from the origin of your coordinate system. How much time before the object lands
Monochromatic light from a distant source is incident on a slit 0.750 {rm mm} wide. On a screen 2.00 {rm m} away, the distance from the central maximum of the diffraction pattern to the first least amount is measured to be 1.35 {rm mm}.
A cylinder is fitted with a piston that is connected to the bottom by a spring. Find the work done by pressure in compressing the spring
The position of an object as a function of time is given by x = bt2 - ct, where b = 2.0 m/s2 and c = 6.7 m/s, What is the instantaneous velocity of the object
a 40.5-cm-by-40.5-cm checkerboard has a mass of 108.5 g. there are four 23.5-g checkers located on the checkerboard as
In each of the following cases, the mass is 32.0 kg and the radius is 7.50 cm. (a) What is the moment of inertia (kg m2) of a solid cylinder rotating about an axis parallel to the symmetry axis but passing through the edge of the cylinder? (b) What i..
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