The factors that affect the weight of an object are: which of the following: 1. location on earth 2. mass of the object 3. altitude 4. temperature 5. speed

6. Rank the following in terms of increasing kinetic energy: A. A 1200 kg car going 15 m/s B. A 10,000 kg train car at rest C. A 15 kg meteor going at a speed of 1000 m/s D. A 100 kg person running at 5 m/s

When a feather and coin are dropped towards the surface of the earth, do they reach ground together

A hollow, conducting sphere with an outer radius of 0.240 m and an inner radius of 0.200 m has a uniform surface charge density of + 6.47 * 10⁻⁶ C/m². A charge of - 0.900 μC is now introduced into the cavity inside the sphere. A.

What is the force that opposes the motion of an object?

A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 5.94 10-2 kg/s. The density of the gasoline is 735 kg/m3, and the radius of the fuel line is 3.10 10-3 m.

A substance has a density of 13.5 g/cm3. What is the volume of a 50 g block of this substance?

Select all of the answers that apply. Which statements are true regarding the scientific evidence supporting the big bang theory? Researchers found cosmic microwave background radiation, which is a heat imprint left over from the big bang.

How are magnetic poles and electrical charges similar? A. Their same forces repel each other, and their opposite forces attract each other. B. Their same forces attract each other, and their opposite forces repel each other. C.

As part of his meal, a workman has a cup containing a hot drink. In order to keep the drink hot whilst he eats the rest of his meal, he covers the cup, as shown in the figure. Which sources of energy loss does this action reduce? Tick two boxes.

When energy is transformed, the amount of usable energy?