A system does 506 kj of work, and loses 266 kj of heat to the surroundings. what is the change in internal energy of the system?

What is the wavelength of an earthquake wave if it has a speed of 10 km/s and a frequency of 3 Hz? What is the answer and units?

A constant force is exerted for a short time interval on a cart that is initially at rest on an air track. This force gives the cart a certain final speed.

How do you calculate heat resistance

What two things affect the density of Water?

Which one of the following is a decomposition reaction? A. 2SO3 (g) → 2SO2 (g) + O2 (g) B. CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (g) C. 2LiOH (s) + CO2 (g) → Li2CO3 (s) + H2O (l) D. H2 (g) + Cl2 (g) → 2HCl (g)

If you double the velocity of an object, you increase its kinetic energy by a factor of what?

2. Modern aircraft carriers use a steam powered catapult system to launch jets from a very short range. These catapults can provide a constant acceleration to bring jets up to speed in only two seconds.

Which of these best describes a situation where science is used? A. choosing a career after graduation B. brushing teeth after having dinner C. ordering food in a restaurant by looking at a menu card D.

A receiver is in a jet flying alongside another jet that is emitting 2.0 x 106 Hz radio waves. If the jets fly at 268 m/s, what is the change in frequency detected at the receiver?

Dark matter has been detected by its