Which of the following would reduce water flow in a pipe? Select all that apply. The pipe is widened. The pipe is lengthened. The pipe is constricted. The pipe is shortened. The pipe is curved.

X (?) = 5.0? 2 - 4.0? 3 m. Find (a) the velocity and acceleration of the particle as functions of time, (b) the velocity and acceleration at t = 2.

Starting from rest, a DVD steadily acceleration to 580 rpm in 1.0 s, rotates at this angular speed for 3.0 s, then steadily decelerates to a halt in 2.0 s. How many revolutions does it make?

What happens when a substance undergoes a physical change?

The life cycle of stars may be boiled down into a tug of war, lasting billions of years, between two basic forces. In your own words, describe these forces, and identify which of the two eventually "wins" the battle.

If a gas pressure gauge reads 15 mm hg, what is the pressure in atmospheres?

Tobacco use can negatively impact a person's health, family, and finances. a. True b. False

Can a body be in equilibrium if only one external force act on its? explain

When sugar is poured from the box into the sugar bowl, the rubbing of sugar grains creates a static electric charge that repels the grains, and causes sugar to go flying out in all directions. If each of two sugar grains acquires a charge of 1.

You rub a clear plastic pen with wool, and observe that a strip of invisible tape is attacted to the pen. Assuming that the pen has a negative charge, which of the following could be true? Select all that apply.: A.

Magnet a has twice the magnetic field strength of magnet b and at a certain distance pulls on magnet b with a force of 100 n. the amount of force that magnet a exerts on magnet b is