Mechanical waves travel as disturbances in a physical medium how do electromagnetic waves travel

Rolf is comparing four solutions. solution a was placed in the fridge, which is at 4° c. solution b was placed at room temperature, which is 20° c. solution c was placed in an incubator at 37°c, and solution d was boiled at 100° c.

Which statement offers the best reason why it is harder for females to lose body fat and gain muscle than it is for males? A. Females have lower levels of testosterone than males. B. Females have more physical capabilities decline as they age. C.

A 58 kg woman and a 70 kg man stand 18.0 m apart on frictionless ice. (a) how far from the man is their center of mass (cm) ? 8.15625 correct: your answer is correct.

If two objects are the same size, will they have the same mass?

The following figures show four stages that occur during the formation of a one-solar-mass star. Rank these stages based on the central temperature, from highest to lowest.

If you are asked to determine an objects speed, what information must you have? A: distance and period of time B: distance and direction C: period of time and direction D: distance and change in position

What is the kinetic energy of a 1150 kg sports car traveling down the road with a speed of 29 m/s?

3. A 2,000-kilogram railroad car moving at 5 m/sec to the east collides with a 6,000-kilogram railroad car moving at 3 m/sec to the west. If the cars couple together, what is their velocity after the collision?

A pendulum swings with amplitude. 02 m and period of 2 s what is its maximum speed

What bone cells respond to stress?