A rod is 2.40 m long and has a diameter of 2.50 mm. A force of 2000 N is applied to the end to stretch the rod by 1.00 mm. What is the tensile modulus for this rod?
a. 
b. 
c. 
d. 
e. 
c.
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The more massive star in a binary system is always farthest from the center of mass
a. True b. False Indicate whether the statement is true or false
Friction: You push horizontally on a 120-N box that is initially resting on a horizontal table. The coefficient of static friction between the box and the table is 0.75, and the coefficient of kinetic friction is 0.40. Find the friction force on the box if the push is equal to (a) 84 N; (b) 94 N.
Fill in the blank(s) with the appropriate word(s).
Solenoid: An ideal solenoid having a coil density of 5000 turns per meter is 10 cm long and carries a current of 4.0 A. What is the strength of the magnetic field at its center?
A. 3.1 mT B. 6.2 mT C. 13 mT D. 25 mT
If you double the net force on an object, you'll double its
A) acceleration. B) speed. C) velocity. D) all the above