A plane flies with an average velocity of - 98.5 m/s for 45.0 s. What was its displacement?

What distinguishes the measurement of speed from that of velocity and acceleration?

The milky way appears to us as a patchy and irregular band across the sky. what accounts for this?

What is a Hyper nova

Which of the following Pearces is the best definition of science? A knowledge that governs the physical world B observation of the physical world C a set of predictions that interpret patterns in the physical world D researchers that determines the

How does a bicycles kinetic energy change when it slows down?

Which statement is correct about gasoline when it is burned? Heat energy is created by the gasoline. The total energy of the gasoline decreases. Chemical energy in the gasoline is destroyed. Chemical energy is transformed into heat energy.

The tilt of the Earth's axis of rotation changes over a period of 41,000 years. Which of these statements best predicts a long term effect of the changes in the tilt of the Earth's axis of rotation? a. The Earth's climate would change. b.

What do keratinized cells form?

Explain why Planck's introduction of quantization accounted for the properties of black-body radiation.

How and which waves travel either through a medium or a vacuum?