What is a change in the speed of an object called?

Identify the objects that you would place into each group. A. wodden logs B. wrench C. plastic button D. cotton balls E. pin F. apple v

Compute the mean and maximum velocities for a liquid with a flow rate of 20 L/min in a 1.5-in nominal diameter sanitary pipeline. The liquid has a density of 1030 kg/m3 and viscosity of 50 cP. Is the flow laminar or turbulent?

What nuclear reaction is the energy source of a white dwarf? a. carbon and helium fusing into oxygen b. none c. helium fusing into carbon d. hydrogen fusing into helium e. oxygen fusing into silicon

What are 2 methods sciebtists use to determine the evolutionary history of a species?

If the air pressure is doubled, the speed of sound

A grocery shopper tosses a (n) 9.1 kg bag of rice into a stationary 19.3 kg grocery cart. The bag hits the cart with a horizontal speed of 6.6 m/s toward the front of the cart. What is the final speed of the cart and bag? Answer in units of m/s.

Where do most metamorphic rocks processes take place?

A 13,500 kg railroad freight car travels on a level track at a speed of 4.5 m/s. It collided and coupled with a 25,000 kg second car, initially at rest and with brakes released. What is the speed of the two cars after collision

What type of waves move energy forward, but the source makes up and down

Why do helium balloons float? Talk about density of atoms and compare to elements in the air.