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Which (on average) takes the longest to orbit the sun (longest period) ? A) asteroid B) comet C) earth D) mars

Main sequence stars will become Red Giants when nuclear fusion is no longer producing what fuel? a. hydrogen b. carbon c. helium

A copper ball and an aluminum ball of mass 150 g each are heated to 100°C and then cooled to a temperature of 20°C. The heat lost by the copper ball is 4.6 kJ. The heat lost by the aluminum ball is 10.8 kJ.

Select all that apply. Which of the following are elements? O2 Ca KF B

What two controls on a car causes a change in speed

What was his average swimming speed during the second half of the race if he tied the record, which was at an average speed of 2.05 m/s?

Objects A and B have equal amounts volumes and are both traveling at 25 miles per hour. Object A is much denser than Object B. Which object has a greater amount of force and why

An airplane with a total mass of 850 kg has an engine malfunction, causing it to provide a constant horizontal force of 4000 N. The pilot, who has a mass of 80 kg, decides to eject from the airplane.

When less force is used but the amount of work done remains the same, how does distance change? A) distance stays the same B) distance increased C) distance decreased D) distance is dependent on the mass of the object

A student pushes a 60-N block across the floor for a distance of 10 m. How much work was done to move the block