A spring has a spring constant of 256 n/m. how far must it be stretched to give it an elastic potential energy of 48 j?

Children between the ages of 6 to 11 are within the developmental stage referred to as ... Middle childhood early childhood adolescents or infancy

When a person rides a bicycle past a tree while wearing a helmet, the person is moving relative to only the bicycle only the tree the tree and the bicycle the bicycle, the tree, and the helmet

Energy that is not utilized for work or heat transfer is converted to the chemical energy of body fat containing about 39 kJ/g. How many grams of fat will you gain if you eat 10,000 kJ (about 2500 kcal) one day and do nothing but sit relaxed for 16.

A scientist pours grape juice on three identical white shirts He then uses three different cleaning products on the shirts and measures how clean they get what is the independent variable in this experiment

Matthew has a mass of 90kg. and is trying to increase his weight by doing plenty of exercise riding to build his muscles. He rides his bike daily at an average speed of 4.5m/s for 1.5 hours. How far will Matthew travel

Why might a plant that normally grows in one environment not grow well in a different one?

The gun, mount, and train car of a railway had a total mass of 1.22 x 10^6 kg. The gun fired a projectile that was 80 cm in diameter and weighed 7502 kg. In the firing, the gun has been elevated 20 degrees above the horizontal.

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?

What is the relationship between matter and energy as it changes states of matter (phase changes?)

Television is becoming a more effective mass media outlet for advertising because so many more people own TV sets and have access to cable as well as satellite. A. True B. False