Why does the world spin on an axis?

Which of the following sketches represents a possible configuration for this problem?

What does an unconformity in a sequence of rock layers reveal about geologic history? A. A rock layer must have turned upside down. B. A layer of rock might have eroded. C. The layers must cover hundreds of square miles. D.

The tendency of an object to stay at rest is due to its - acceleration - inertia - weight - motion

Consider a system of an 85.0 kg man, his 14.5-kg dog, and the earth. The gravitational potential energy of the system increases by 1.85 103 J when the man climbs a spiral staircase from the first to the second floor of an apartment building.

What is the theory of relativity.

How do you determine if a charged comb is positively charged or negatively charged. Suppose it is positively charged, it will attract negative charge on the electroscope and the positive charges on the leaves will repel.

What is the biggest problem with invasive species in their new location? A They are always stronger than native species. B They evolve more quickly than native species. C They have higher reproductive rates than native species.

A train has a length of 102 m and starts from rest with a constant acceleration at time t = 0 s. At this instant, a car just reaches the end of the train. The car is moving with a constant velocity. At a time t = 18.

To set a speed record in a measured (straight-line) distance d, a race car must be driven first in one direction (in time 11) and then in the opposite direction (in tim e t). (a) To eliminate the effects of the wind and obtain the car's speed v.

A spring tide can occur at what day and month?