Determine the maximum speed the ball
A 0.1kg ball is attached to a string and whirled around in a circle overhead. The string breaks if the force exceeds 60N. What is the maximum speed the ball can have when the radius of the circle is 1m?
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What is the outlet pressure if the inlet pressure is 100 mm Hg and the velocity of blood is 20 cm/s. State all assumptions clearly?
Using the data below, test whether education and smoking status are independent. Run the test at a 5% level of significance. 1) Write out the appropriate null hypothesis and the alternative hypothesis; 2) Calculate the test statistic; 3) Give your
A 0.49 copper rod with a mass of 0.18 carries a current of 13 in the positive x direction. Let upward be the positive y direction. What is the magnitude of the minimum magnetic field needed to levitate the rod?
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. How much farther would it travel on the moon then on earth?
The following data were collected in an experiment designed to investigate the impact of different positions of the mother on fetal heart rate. Fetal heart rate is measured by ultrasound in beats per minute. The study included 20 women who were as
Determine the channel height that can be used to determine the wall shear stresses as high as 20 dyne/cm2 with flow rates less than 2 cm3/s.
Find the equation for max stress and strain in the beam at the maximum deformation point in terms of applies load and measured displacement.
Two sinusoidal waves with the same amplitude A and frequency f travel in opposite directions along a long string. You stand at one point and watch the string. What is the maximum displacement of the string at that point?
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