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At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 6.71 meter above the water. One diver runs off the edge of the cliff, tucks into a "ball," and rotates on the way down with an average angular speed of 2.99 rev/s. Ignore air resistance and obtain the number of revolutions she makes while on the way down.
a random sample of 49 selected from a population with a standard deviation of 14 yielded a mean 125. the mean and the
How does knowing the time constant of an RL or RC circuit help us decide the width of a practical pulse input that is short enough to provide a good approximation of an impulse? Illustrate your answer with a numerical example.
A 0.8 kg object that stretches a spring 7.3 cm from its natural length when hanging at rest oscillates with an amplitude of 7.3 cm. Find the total energy of the system. The acceleration due to gravity is 9.81 m/s2. Find the gravitational potential en..
The number density in a container of neon gas is 4.70×1025m?3. The atoms are moving with an rms speed of 640m/s. What is the pressure inside the container
Water contained in a piston-cylidner assembly undergoes 2 processes in series from an initial state where the temperature is 150 degrees Celsius with quality x=50% Process 1-2: The water us heated at constant volume until it reaches the saturated ..
Six mass pieces of 100g each are placed on a mass holder of 140g which is hung from a string. Analyse the tension in the string.
An inquisitive physics student and mountain climber climbs a 55 m cliff that overhangs a calm pool of water. She throws two stones vertically downward 0.8 s apart and observes that they cause a single splash.
A golfer hits a shot to a green that is elevated 3.20 m above the point where the ball is struck. find the speed of the ball just before it lands
The total electric field consists of the vector sum of two parts. One part has a magnitude of E1 = 1300 N/C, Find the magnitude and direction of the total field
A rapidly spinning paddle wheel raises the temperature of 200mL of water from 21 degrees Celsius to 25 degrees. How much a) work is done and b) heat is transferred in this process
a 1270 kg person rolls along a city street at 25.0 miles per hour and a grapefruit has a mass of 0.142 kg. what speed
Determine Maximum wavelength and Minimum wavelength. How various penguins of mass 16 kg each can stand on the ice block before they find their feet wet.
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