An arrow is launched at an angle of 30 degrees with an initial speed of 20.0 m/s. after 3 seconds, what will the arrow's speed be?

What statement is true? (more than 1 answer) 1. Science is a collection of facts that does not evolve. We have gained all the knowledge we can from science. 2. Scientists observe natural events occurring around them.

The rope can support a maximum tension of 2700 n. is this rope strong enough to do the job? choose the correct answer and explanation.

5. A family of ducks is swimming in a pond at a speed of 3 m/s when a gust of wind hits them. By the time they reach the other side of the lack, the ducks are moving at a speed of 7 m/s.

What is Hunter the dog's centripetal acceleration when he runs along a circular path of radius 2.0 meters with a tangential speed of 2.2 meters/second?

What is the ability to move or change an object or what a wave carries?

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?

Which of the following most accurately represents John Dalton's model of the atom?