Which special effects technique is being used in television weather reports in which meteorologists stand in front of moving maps

a. c. G. I.

b. Rear projection

c. Traveling matte

d. Stop-motion animation

Fahd is trying to write a focused scientific question. He writes, "Does the material something is made of affect its density?" How could Fahd's question best be rewritten? How does changing an object's material change its density?

An 850-lb force is applied to a 0.15-in. diameter nickel wire having a yield strength of 45,000 psi and a tensile strength of 55,000 psi. Determine (a) whether the wire will plastically deform; and (b) whether the wire will experience necking.

What factors affect the upthrust exerted by the fluid on any object immersed on it?

What is the angle of refraction rounded to the nearest whole number?

A spacecraft of mass 1500 kg orbits the earth at an altitude of approximately 450 km above the surface of the earth. Assuming a circular orbit, what is the attractive force that the earth exerts to keep the spacecraft + in orbit? Answer: (a) 1.

Which list gives the proper sequence of energy changes that occur in a hydroelectric plant? The mechanical energy of the turbine rotates the generator parts The turbine blades capture the kinetic energy of the water Electrical energy is transferred

A locomotive is pulling 16 freight cars, each of which is loaded with the same amount of weight. The mass of each freight car (with its load) is 37,000 kg. If the train is accelerating at 0.

What is the special feature of the upper mantle?

What is the difference between weight and mass? mass and weight are both intrinsic properties of an object. if you multiply the mass of an object by the acceleration due to gravity, you will obtain the object's weight.

A skipper on a boat notices wave crests passing the anchor chain every 5 seconds. the skipper estimates the distance between crests is 15 m. what is the speed of the water waves?