If the value of H is doubled, it would also double the age of the universe
Indicate whether the statement is true or false
FALSE
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A package of supplies is dropped from a plane, and one second later a second package is dropped. Neglecting air resistance, the relative velocity of the 1st package viewed from the second will
A) depend upon their weight. B) be constant. C) increase. D) decrease. E) be zero.
Orphan planets are
A) planets which have been flung out into interstellar space as a result of inward migration B) moons of gas-giant planets which are in unstable orbits and escape becoming planets themselves C) planets which have been gravitationally captured by other stars D) bodies blasted from rocky planets by giant impacts becoming planets themselves
A non-uniform, 80-g, meter stick balances when the support is placed at the 51.0-cm mark. At what location on the stick should a 5.0-g tack be placed so that the stick will balance at the 50.0 cm mark?
A) 16.0 cm B) 67.0 cm C) 66.0 cm D) 35.0 cm E) 34.0 cm
What is the maximum length of steel cable that can hang vertically supported from one end of the cable?
The Young's modulus of this steel is 2.10 × 1011 N/m2, the tensile strength of this steel is 7.4 × 108 N/m2, and the density of this steel is 7.6 × 103 kg/m2. A) 9.93 km B) 4.22 km C) 456 m D) 1.75 km E) 24.8 km