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A sphere of radius r =34.5 cm and massm = 1.80 kg starts from rest and rolls without slipping down a 30.0? incline that is 10.0 m long.
a. Calculate its translational speed when it reaches the bottom.
b. Calculate its rotational speed when it reaches the bottom.
c. Calculate its rotational speed when it reaches the bottom.
A step-down transformer is used for recharging the batteries of portable devices. The turns ratio N2/N1 for a particular transformer used in a CD player is 7:72. find rms output voltage of the transformer
What is the mass of the rim.
A parallel beam of light containing red (660 nm) and blue (470 nm) wavelengths goes from polystyrene to water, What is the angle between the two colors in water
In a television set, the power needed to operate the picture tube comes from the secondary of a transformer. Determine the secondary voltage
The spring is compressed against the floor a distance 2.5 cm and released. If the spring constant is 119 N/m, illustrate what is the magnitude of the spring force acting on the toy at the moment it is released?
A ray of light passing through air is incident on a piece of quartz (n=1.46) at an angle of 25 degrees. Calculate the deviation d of the ray as it emerges back into the air
The rms speed of a sample gas is increased by 2 %, What is the percent change in the temperature of the gas
What is an index of refraction of the liquid
7.22 x1013 electrons flow through a transistor in 3.55 ms. What is the current (in mA) through the transistor
What is the freezing point of human blood and What would be your hypothesis why salt water freezes at a lower temperature than pure water
To verify her suspicion that a rock specimen is hollow, a geologist weighs the specimen in air and in water. What fraction of the specimen's apparent volume is solid
A van is moving with a constant acceleration, a0, up a hill that makes an angle ? with the horizontal. what is the acceleration of the van
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