How many neutrons does element X have if it's atomic number is 33 and it's mass number is 93?

What type of mixture does the foam demonstrate?

What does it mean to say thet science is a systematic process?

Which object will be considered to be in free fall

A certain pendulum with a 1.00 kg bob has a period of 3.50 s. What will happen to the period of the pendulum if the 1.00 kg bob is replaced by a bob with a mass of 2.00 kg? Briefly explain your answer.

Use Hooke's Law to determine the work done by the variable force in the spring problem. A force of 250 newtons stretches a spring 30 centimeters. How much work is done in stretching the spring from 30 centimeters to 60 centimeters? N-cm

A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.870 m/s at an angle of 35.0° above the table, and it lands on the magazine 0.0770s after leaving the table. Ignore air resistance.

A force of 5 N accelerates an object. The object's mass is 50 g. What is the acceleration of the object? (Formula: F=ma)

Which is a legacy of the enlightenment?

An instrument for observing very small objects is a. micrometer spectroscope microscope magnoscope

Who was copernicus and what have he done for science?