Hello please help i’ll give brainliest

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

Which is the most accurate name for the covalent compound p2o3?