An object whose center of gravity is below its point of support, will be in neutral equilibrium
Indicate whether the statement is true or false
FALSE
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The white dwarf that remains when our Sun dies will be mostly made of ________
A) hydrogen B) neutrons C) helium D) carbon
The x-component of motion of an object is given by x(t) = Axcos(?xt + ?x) and the y-component of motion of the object is given by y(t) = Aycos(?yt + ?y)
What relationships between the A,?, and ? parameters must be true so that the motion of the object is on a circle? A) Ax = Ay, ?x = ?y, and ?x = ?y B) Ax = ±Ay, ?x = ±?y C) Ax = ±Ay, ?x = ?y, and ?x = ?y ± ?/2 D) Ax = Ay, ?x = ±?y, and ?x = ?y E) Ax = ±Ay, ?x = ±?y, and ?x = ?y ± ?/2
Uniform Circular Motion: A 0.50-kg toy is attached to the end of a 1.0-m very light string. The toy is whirled in a horizontal circular path on a frictionless tabletop. If the maximum tension that the string can withstand without breaking is 350 N. What is the maximum speed the mass can have without breaking the string?
A. 700 m/s B. 26 m/s C. 19 m/s D. 13 m/s
Two blocks with masses 2.0 kg and 3.0 kg are placed on a horizontal frictionless surface. A light spring is placed in a horizontal position between the blocks. The blocks are pushed together, compressing the spring, and then released from rest. After contact with the spring ends, the 3.0-kg mass has a speed of 2.0 m/s. How much potential energy was stored in the spring when the blocks were
released? a. 15 J b. 3.0 J c. 6.0 J d. 12 J e. 9.0 J