Challenge: a hammer is dropped on planet x. if the hammer has a mass of 3 kg and a weight of 9 n, what is the gravitational acceleration of planet x and is it more or less than that of earth?

Important result of french revolution

What term defines the specific amount of time required for half of a radioactive substance to become stable? a. half-life b. decay phase c. decay period d. a gamma second

What is an islolated system

Which elements would you expect to be similar to technetium

As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air at a speed of 23.0 m/s. In the process, he moves his hand through a distance of 1.10 m. If the ball has a mass of 0.

StA A boat takes off from the dock at 2.5 m/s and speeds up at 4.2 m/s2 for 6.0 s. How far has the boat traveled? Round your answer to the nearest whole number.

In Part A, you determined that the heat added to the coffee is what you got. If it takes 4.2 J of energy to raise the temperature of 1.0 mL of coffee by 1.0∘C, then it should take twice as much energy to raise the temperature of 2.

The brightness of a star depends on what three factors?

What is most likely the relationship between Mendel's rules of genetics and Darwin's idea of biological evolution? Mendel's genetics states laws that are now part of the theory of biological evolution.

Why would it be a problem if your household appliances were connected in a series circuit