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An auto race is held on a circular track. A car completes onelap in a time of 21.5 seconds, with an average tangential speeed of38.1 m/s.
What is the average angular speed?
What is the radius of the track?
Water is flowing in a cylindrical pipe of varying circular cross-sectional area, and at all points the water completely fills the pipe. What is the radius of the pipe at this point
Two sound sources radiating in phase at a frequency of 560 Hz interfere such that maxima are heard at angles of 0 and 25° from a line perpendicular to that joining the two sources. Find out the separation between the two sources. (Wave velocity of..
A 600-kg car is going around a banked curve with a radius of 110 m at a speed of 24.5 m/s. What is the appropriate banking angle necessary for the car
A baseball outfielder throws a 0.150 kg baseball at a speed of 35.0 m/s and an initial angle of 26.0°. Illustrate what is the kinetic energy of the baseball at the highest point of its trajectory?
A 0.56 kg block is hung from and stretches a spring that is attached to the ceiling. What is the mass of the second block
A steel beam 10m long is installed in a structure at20oC. What are the beam's changes in length at thetemperature extremes of -30oC to45oC
Unpolarized light of intensity I0 is incident on three polarizing filters. The axis of the first is vertical, What light intensity emerges from the third filter
The average density of the planet Venus is 5219 kg/m3. The acceleration of gravity on its surface is 8.84 m/s2. Calculate the average radius of Venus
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 145°C. What is the rms speed of each type of molecule
An electron drops from the L shell to the K shell and givesoff an X-ray with a wavelength of 0.0200 nm. What is the atomic number of this atom
The diagram of a speaker has a mass of 50.0g and responds to a signal of 2.0 khz by moving back and forth a with an amplitude of 1.8 X10^-4 m at that frequency. what is the force acting on the speaker
Find the electric energy density between the plates of a 225-muF parallel-plate capacitor. The potential difference between the plates is 385V
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