Springs: You want to store 1000 J of energy in an ideal spring when it is compressed by only 2.5 cm. What should be the force constant (spring constant) of this spring?
Fill in the blank(s) with the appropriate word(s).
3.2 × 106 m/m
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In Vienna, there is a Ferris wheel designed so that the passengers ride in a standing position. If one of the passengers were standing on a bathroom scale while the ride rotated at a constant speed, the scale would read lowest at
A. the lowest point in the ride. B. the point in the ride where they were ascending most rapidly. C. the highest point in the ride. D. the point in the ride where they were descending most rapidly.
A crane lifts a 2500-kg beam at a steady rate of 15 cm/s using a steel cable whose mass per unit length is 0.65 kg/m. What is the speed of transverse waves on this cable?
A) 230 m/s B) 580 m/s C) 1200 m/s D) 1900 m/s E) 190 m/s
A uniform bridge span weighs 70.0 × 10^3 N and is 40.0 m long. An automobile weighing 15.0 × 10^3 N is parked with its center of gravity located 12.0 m from the right pier. What upward support force does the right pier provide?
a. 24.5 × 10^3 N c. 65.0 × 10^3 N b. 35.5 × 10^3 N d. 45.5 × 10^3 N
Light is referred to as _______________________ radiation
Fill in the blank(s) with correct word