true or false? The law of conservation of energy states that energy can be created or destroyed. Energy can also be transfered

A small puck with a mass of 0.10 kilograms is sliding in the + x-direction on an air table with an initial speed of 8.0 meters/second. The puck collides with a larger puck that is initially at rest. The larger puck has a mass of 0.40 kilograms.

A small refracting telescope designed for individual use has an objective lens with a diameter of 6.00 cm and a focal length of 1.325 m. what is the f-number of this instrument?

Two water balloons of mass 0.65 kg collide and bounce off of each other without breaking. Before the collision, one water balloon moved at a velocity of 3 m/s east, while the other moved at a velocity of 2 m/s west.

What evidence suggests that the ""hole"" in the ozone layer is getting smaller?

States of matter depend in part on the___ of an item.

There are 1000 g in every kilogram of a box has a mass of 483 g what is the mass of the box in kilogram

According to the map, which of the following cities had both a military and a POW camp nearby?

What does uniformitarianism tell us about processes at work on Earth's surface today?

A bad case of the tonsillitis can sometimes affect a persons breathing how possible

How gravity affect time? With reference to einstein special theory of relativity