HotelInfantesAgres - Together we solve school questions. Logo

Questions in physics

[Homework Help] Does weight decrease when you're on the moon?

[Homework Help] When Plutonium-239 undergoes alpha decay, it becomes: A) Curium-241 + an alpha particle B) Uranium-235 + an alpha particle C) Neptunium-237 + an alpha particle D) Plutonium-237 + an alpha particle

[Homework Help] If planet A is three times as far from planet C, then the period of its orbit will be __ times as long.

[Homework Help] If planet A is four times as far from the sun as planet C, then the period of its orbit will be __ times as long.

[Homework Help] If the forces are balanced, what is the resulting acceleration?

[Homework Help] Which of the following causes high and low tides on Earth? A. The moon's gravitational pull on Earth causes water to bulge on two sides of the Earth. B. Water swells when tsunamis occur in two areas of Earth at the same time. C. The Earth's rotation is so fast, water will swell and shrink twice a day. D. The Earth is tilted on an axis, causing water to spread unevenly throughout the planet.

[Homework Help] Which best describes the difference between a seismograph and a seismogram? A. A seismograph is a written record of volcanic eruptions, while a seismogram is a written record of earthquakes. B. A seismograph records tectonic activity, while a seismogram records volcanic activity. C. A seismograph is the instrument that detects and records volcanic activity, while a seismogram is the written record of that activity. D. A seismograph is the instrument that detects and records movements within the earth, while a seismogram is the recording.

[Homework Help] Which of the following is an example of the absolute threshold? A. Dimitri turns down the shower because it is too hot. B. Sam recognizes that the restaurant lights have suddenly dimmed. C. Georgia notices that her soup tastes much spicier than it did last night. D. Juanita barely detects someone tapping on her window pane. E. Bill can't quite see who the person is across the field.

[Homework Help] Andre is studying snails and how fast they travel. He observes three groups of snails containing four snails each. Here are the recorded observations from Andre’s notebook: - Group A snails averaged a speed of 4.7 cm/min in a petri dish. - Group B snails averaged a speed of 2.8 cm/min on sandpaper. - Group C snails averaged a speed of 3.3 cm/min in the dirt. Based on this data, what is affecting the snails’ speed?

[Homework Help] If I drop a feather and an elephant from an equal height in a vacuum, which will hit the ground first?