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A cord 15.m long has a mass of 3.00 grams. Ifthe tension were provided by a 2.5 kg mass, how long would the cord be to vibrate with one anti node? Assume f = 120 Hz.
A Polonium nucleus (m1 = 210 amu) at rest emits an alpha particle (m2 = 4 amu) to the right as a result the nucleus travels to the left at 350 km/s. What is the speed of the alpha particle
A double convex lens (convex on both sides) is made of glass with an index of refraction of 1.60. What is the magnitude of the larger radius
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum. How wide is the slit?
A near-sighted person's eyeglasses has a focal length of ? 22.0 cm, and the lens is 1.8 cm from the eye. what should be the focal length of the corresponding contact lens
The perspective provided by Multiple-Concept is useful here. The highest barrier that a projectile can clear is 15.60 m, while the projectile is launched at an angle of 23.0 ° above the horizontal. What is the projectile's launch speed.
Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 44.0mph and half the distance at 65.0. What is her average speed on the return trip
In an engine, an almost ideal gas is compressed adiabatically tohalf its volume. In doing so,1380 J of work is done on the gas. What is the change in internal energy of the gas
At an absolute pressure of 101.3 kPa and ten mperature of 20 degC the dynamic viscosity of a certain diatomic gas is 2*10^-5 Pa.sec, calculate its approximate relative molecular mass
A satellite orbits at a distance from the Earth's center of about 4.80 Earth radii and takes 14.8 hours to go around once, What is its orbital velocity
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 53.0 cm . The explorer finds that the pendulum completes 91.0 full swing cycles in a time of 136 s. What is the magnitude of the gravitational acceleration..
Alan leaves Los Angeles at 8:00 a.m to drive San Francisco, 400 mi away. He travels at a steady 50 mph. find Who gets to San Francisco first
the image behind a convex mirror radius of curvature 97.0 cm is located 36.0 cm from the mirror.a where is the object
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