What is the young modulus of polythene?

What is a wave? In other words, what is the physical science term for a wave?

Difference between series and parallel circuits

A compact car with a mass of 1,000 kg, traveling at 15 m/s, runs into and sticks to - an at-rest SUV of 2,200 kg. What is the final speed of the two cars? A. 4.7 m/s B. 67 m/s C. 2.2 m/s D. 147 m/s

How does a rocket go into space and back down to earth

Longitudinal sound waves cannot propagate through solids steam wet sand liquids gases a vacuum

What are some methods humans have used to control flooding and what has been done to worsen the effects of flooding?

Suppose an electron is moving with a constant velocity until it encounters a positively charged sphere on its right. How does the sphere alter the trajectory of the electron? a. It has no effect on the trajectory of the electron b.

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?

F we wanted to compare muscular endurance between a very large person and a very small person, what method would be the best method to use? a. absolute method b. maxing out c. callisthenic method d. fixed percentage of rm method