Swimming is a great way to improve cardiovascular/respiratory health.

What do u think is the smallest piece that you could break sand into

If an object has a mass of 40 kg, what is its weight at Earth's surface?

A force of 115n is used to move a chair 0.8m. how much work is done?

A student was taking a rock-climbing class that used an indoor climbing wall. before he started, the instructoe asked for his weight. if the student had a mass of 88.6kg. what was his weight?

What is the mass of an object traveling at 30. m/s if it has 33,750j of energy

During a medical condition screening lung capacity testing is a standard procedure. True of false

Which of the following is a unit of energy found in food? a). vitamin b) calorie c) nutrient d) water

As one goes from left to right in a period, which of the following is true? A. The number of protons decreases. B. The number of valence electrons increases. C. both A and B D. none of the above

Which of the following surfaces reflects the most light A yellow cloth B. tree trunk C aluminum foil D. Concrete sidewalk

Which part of an atom has a mass approximately equal to 1/2000 of the mass of a common hydrogen atom? A. nucleus B. electron C. proton D. electron cloud