Which of these objects would show the greatest parallax?

a. the Sun

b. Mars

c. the Moon

d. Polaris

What is the distance an object would be from Earth if its parallax were one arcsecond?

a. a parsec

b. a light-year

c. an arcminute

d. an angular diameter

The higher the amplitude of the wave, the greater its intensity and the greater its loudness. true or false?

What would have the greatest gravitational force between them?

A 900 kg steel beam is supported by the two ropes shown in (Figure 1). Calculate the tension in the rope.

Thing put into beaker holding 130 ml

The largest observatory complex in the world is on Mauna Kea, the tallest mountain on Earth. What are some factors astronomers consider when selecting an observatory site? Don't forget practical ones.

Explain why data organization is an important part of scientific inquiry describe two types of graphs that can be used to organize and display scientific information

When conducting scientific research, any information that is found must be analyzed to determine its validity. John believes that UFOs and extraterrestrial life exist. The excerpts below are an eyewitness account of UFO activity in South Carolina.

How much work is needed to lift a 3kg mass a distance of 0.75m

The type of current supplied by a battery in a flashlight is an alternating current. True or False?

A. What is the change in internal energy if 500 J of heat is added to a system and 100 J of work is done by the system? Show your work. b. Describe two sets of conditions of heat and work that cause a decrease in internal energy. c.