Since its density is similar to ours, we think that Venus too has a core of ________

Fill in the blank(s) with correct word


iron

Physics & Space Science

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Explain the large-impact hypothesis

What will be an ideal response?

Physics & Space Science

Object A emits most strongly at 400 nm, while object B emits most strongly at 800 nm. What can we say about their relative temperatures?

A. A's temperature is the same as B's. B. B's temperature is twice as high as A's. C. A's temperature is twice as high as B's. D. Nothing. Temperature is related to brightness, not emitted wavelength.

Physics & Space Science

A player hits a ball with a bat. If action is the force of the bat against the ball, reaction is the

A) air resistance on the ball. B) weight of the ball. C) force that the ball exerts on the bat. D) grip of the player's hand against the ball. E) weight of the bat.

Physics & Space Science

Two identical ladders are 3.0 m long and weigh 600 N each. They are connected by a hinge at the top and are held together by a horizontal rope, 1.0 m above the smooth floor forming a symmetric "A" arrangement

The angle between the ladders is 60° and both ladders have their center of gravity at their midpoint. What is the tension in the rope? A) 240 N B) 300 N C) 220 N D) 260 N E) 280 N

Physics & Space Science