If element X has 31 protons, how many electrons does it have?

A force causes a mass of 4 kg to have an acceleration of 8 m/s2. Suppose something causes the mass to be one-quarter of its original amount. What will happen to the acceleration if the amount of force used remains the same?

The data indicate the populations of mammals in the Florida Everglades in different years over the past two decades. The Burmese python, a non-native species, was introduced to Florida as an exotic pet.

A train's mass is 18181.81 kg. What is its weight?

A 30-kg chandelier hangs from a ceiling on a vertical 4.4-m-long wire. what horizontal force would be necessary to displace its position 0.16 m to one side?

How much heat transfer occurs from a system, if its internal energy decreased by 150 j while it was doing 30.0 j of work?

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to reach the pain level of 120 db? 2 incorrect: your answer is incorrect.

Why is the use of scientific names important in biology?

1) what is a calorie?

January 1st 37°F January 7th 48°F January 14th 52°F January 18th 51°F January 21st 45°F January 25th 41°F January 31st 55°F When looking at a data set of numbers, the mean is the average. Look at the table above.

The vector quantity that defines the distance and direction between two positions.