Which quantity is a scalar quantity

When you catch a baseball is the energy gained or lost?

Which statement best describes a factor that determines the strength of a muscular connection

Which term describes the object that a satellite revolves around? O O A. Orbit B. Period O C. Central body O D. Rotation

Does changing the medium seem to affect the wave's speed? Explain.

How would you convince somebody that the momentum of an isolated system is constant?

How many neutrons does element x have if it's atomic number is 35 and it's mass number 71

The potential difference between the terminal of an electrical heater is 60v when it draw a current 4A fron the source. What current will the heater draw if the potential difference is increased to 120v?

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces.

A train's mass is 18181.81 kg. What is its weight?

a 3.0m long frictionless pendulum swings with a maximum angluar displacement of 10 degree from the vertical. at its lowest position the kinetic energy of the pendulum is 20.0j what is the potential energy of the pendulum when the kientic energy is 5.