Computing the frequency of vibrations
The springs of a 1400kg car compress 4.0mm when its 61kg driver gets into the driver's seat. If the car goes over a bump, what will be the frequency of vibrations?
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A sample of an unknown material weighs 300N in air and 200 N when submerged in an alcohol solution with a density of .70 x10^3 kg/m^3. What is the density of the material?
What are some of the benefits of regular physical activity? Why is physical activity important and how might it improve health and wellness?
Estimate the mean free path and the collision time for helium in the chamber. Assume the diameter of a helium atom is 1.0 X 10-10 m.
plane makes a complete circular turn in 2 min. if the speed of the plane os 200m/s. What is the radius of the circle?
Transverse waves with a speed of 50.0 m/s are to be produced on a stretched string. calculate the wave speed in the string if the tension is 8.00n.
Salivary amylase works on carbohydrates in our mouth...what happens when carbohydrates enter the stomach does chemical digestion continue?
Discuss the transition to agriculture. What influenced the transition? How did it alter the life of an average person and shape society? What affect did it have on the size of the population? How, in turn, did that mold the development of government?
A ball thrown vertically is caught by the thrower after 5.1 s. Find the maximum height the ball reaches.
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