Our solar system consists of ________
A) the Sun and the planets, and nothing else
B) the Sun and all the objects that orbit it
C) a few hundred billion stars, bound together by gravity
D) the Sun and several nearby stars, as well as the planets and other objects that orbit these stars
B
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A solid sphere, a solid cylinder, a spherical shell, and a hoop all have the same mass and radius. Each are rolling on a horizontal surface with the same center of mass speed, and then they roll up identical inclines. Which one goes the greatest distance up its incline?
a. the hoop b. the solid sphere c. the spherical shell d. the cylinder e. They all go the same distance up their inclines.
Jupiter does not appear to rotate as a solid body; the observed ________ rotation shows that we are actually viewing a gaseous object
Fill in the blank(s) with correct word
According to the impulse-momentum relationship Ft = change in mv, a falling bungee jumper has momentum which is reduced by the force F exerted by the bungee cord. If v is the speed of the jumper, then m in the equation is the mass of the
A) jumper. B) cord. C) ground below. D) none of the above
The coefficient of volume expansion of olive oil is 0.68 × 10-3 K-1. A 1.00-L glass beaker is filled to the brim with olive oil at room temperature
The beaker is placed on a range and the temperature of the oil and beaker increases by 25°C. As a result, 0.0167 L of olive oil spill over the top of the beaker. What is the coefficient of linear expansion of the glass? A) 1.0 × 10-6 K-1 B) 4.0 × 10-6 K-1 C) 1.0 × 10-5 K-1 D) 2.0 × 10-5 K-1 E) 3.0 × 10-5 K-1