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You do not have a thermometer to measure temperature, but you are able to measure the speed of sound through the air. If you measure the speed of sound to be 349 m/s, what is the air temperature?
A 2.18-m-long diving board of mass 13.2kg is 3.00m above the water. It has two attahcments holding it in place. Assuming that the board has a uniform density, find the force acting on each attachment
a garden hose with an internal diameter of 2.0 cm is connected to a stationary lawn sprinkler that consists merely of
A net force of 25 newtons is applied horizontally to a 10. kilogram block resting on a table. What is the magnitude of the acceleration of the block
The left face of a biconvex lens has a radius of curvature of magnitude 11.7 cm, and the right face has a radius of curvature of magnitude 19.6 cm. The index of refraction of the glass is 1.52. Calculate the focal length of the lens for light inci..
a airplane flies directly away from you. if you perceive its engine sound at 82 of the emitted frequency the planes
Determine the emf induced across a small gap created in the loop.
A rocket ship of proper length l0 trav- els at constant speed v in the x-direction relative to a frame S. The nose of the ship passes the point x = 0 (in S) at time t = 0
A spherical planet called "Glob" has a mass of 7.80 × 1018 kilogram and a radius of 6.30 × 104 meter. Find the initial speed of the rock as it left the astronaut hand
A cube made of steel 0.300 meters on a side is suspended from a scale until it is completely immersed in fresh water
If the linear velocity of a club head in the golf swing is 50 meter per second at impact, obtain the angular velocity if the club is 0.95 meter long
a skier starts from rest at the top of a frictionless inclineof height 20.0m. How far does the skier travel on the rough horizontal surface
A 509-?F capacitor is discharged through a resistor, whereby its potential difference decreases from its initial value of 97.9 V to 22.7 V in 4.99 s. Find the resistance of the resistor in kilohms
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