What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m?

0.023 m/s

One number is three times another. Their sum is 144. What are the numbers?

How many electrons can fit in the fourth energy level

Complete the paragraph to describe the relationship between kinetic energy and braking distance. Use. A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules.

Development of facial and body hair during adolescence is an example of which of the following? secondary sex characteristics o gonad O synaptic pruning primary sex characteristics

Which statement best describes one main idea of Of Plymouth Plantation?

Explain why Newton's first law of motion can be difficult to observe in moving objects?

No force is necessary to

A boat has a mass of 4040 kg. Its engines generate a drive force of 4660 N due west, while the wind exerts a force of 880 N due east and the water exerts a resistive force of 1400 N due east. Take west to be the positive direction.

Define the word projectile

Which is not a property of an electromagnetic wave? O It is made of magnetic fields It travels at the speed of light O It is made of electrical fields It carries energy only through matter