Molecules are groups of atoms connected together. Which substances in the simulation have particles that are

molecules?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 308J of energy to the room?

Two stars have the same radius but have very different temperatures. the red star has a surface temperature of 3,000 k and the blue star has a surface temperature of 156,100 k. by what factor is the blue star more luminous compared to the red star

The mass of a newborn baby is 3.5 kilograms. What is the babys weight?

Are speed and position both scalar units

The best four of seven games will win matches. True False in vollyball

A quarterback throws the football to a stationary receiver who is 16.1 m down the field. the football is thrown at an initial angle of 38.1 ◦ to the ground. the acceleration of gravity is 9.81 m/s 2. a.

Which of the following is not a way by which heat can be transferred? A. Conduction B. Conservation C. Radiation D. Convection

Which of the following training methods brings digital elements into the physical world to enhance the information and context that people experience? a. chatbots b. augmented reality c. artificial intelligence d. adaptive learning

8. A person with a mass of 15 kg is walking on a flat surface at a velocity of 5 m/s. What is the walker's momentum?

A 33.0 l cylinder containing helium gas at a pressure of 45.8 atm is used to fill a weather balloon in order to lift equipment into the stratosphere.