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Questions in physics

[Done] On what does the strength of the force of gravity between two objects depend?

[Done] A water balloon was dropped from a high window and struck its target 1.1 seconds later. If the balloon left the person's hand at -5.0 m/s, what was its velocity on impact?

[Done] If you left a board lying in the grass for a few days, what would happen to the grass underneath the board? Why?

[Done] If the velocity of an object is changing, its momentum is also changing. True or False?

[Done] If a substance conducts heat easily, it is considered to be a A. good insulator. B. bad substance. C. good conductor. D. poor conductor.

[Done] Imagine that you are baking brownies for a bake sale at school. Which of the following pans is least likely to cause you to burn the bottoms of your brownies? A. a glass pan B. an aluminum pan C. a cast iron pan D. a copper pan

[Done] Which literary device portrays a character's reflections? A. Snap shots B. Thought shots C. Sensory language D. Figurative language

[Done] What type of energy is present in a barbell being lifted or a shot-put being thrown?

[Done] What is the momentum of a 75.0-kilogram defensive back chasing the fullback at a velocity of 5.00 m/s?

[Done] 1. Which object is made of frozen gas, ice, and dust that orbits in the outermost reaches of the solar system? A. Planet B. Moon C. Kuiper Belt object D. Meteor 2. Which explanation of the solar system best fits the observations of the planets and how they orbit the sun? A. A comet hit the sun and sent off fragments that became the planets. B. The gravity of a large, massive star passing the sun ripped off blobs of material from it that formed the planets. C. The planets formed at the center of a collapsing spinning cloud of gas and dust. D. The sun and planets formed from a collapsing spinning cloud of gas and dust.