Which two adjacent planets have the largest distance between them?

a. Uranus and Neptune

b. Mars and Jupiter

c. Jupiter and Saturn

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In a system, when potential energy decreases, then entropy also decreases. True False

A ball rolls along the floor with a constant velocity of 6 m/s. How far will it have gone after 50 seconds?

A 11.8-gram sample of zinc is heated to 98.15°C in a boiling water bath. The hot metal is then immersed in 25.35 grams of water that is initially at 21.82°C.

A horizontal spring with spring constant 85 n/m extends outward from a wall just above floor level. a 3.5 kg box sliding across a frictionless floor hits the end of the spring and compresses it 6.

A 75.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg) when the elevator is at rest?

Which of the following best describes the earth's average surface temperature for the past 900,000 years? A. a steady warming trend B. fairly steady temperatures until recently C. prolonged periods of cooling and warming D.

A capacitor with initial charge q0 is discharged through a resistor. What multiple of the time constant τ gives the time the capacitor takes to lose (a) the first 1/8-th of its charge (b) 7/8-th of its charge?

A sheet of paper has a mass of 5 grams. The paper is dropped from a high building twice (it reaches terminal speed in both cases), once as a flat paper of area 600 cm2 and once crumpled as a ball of radius 2 cm.

When the particle with charge q reaches the center of the original square, it is, as stated in the problem, momentarily at rest. Is the particle at equilibrium at that moment?