Resultant velocity of an airplane the flies 200 km/h if it encounters a 50 km/h tailwinds

Extremely high temperatures and pressures are necessary for fusion reactions to take place in stars. true or false.

Which of the following is a conversion from light energy to chemical energy? a. turning on a stove to heat dinner b. growing an apple tree c. turning on a lamp d. Turning on a blender

These waves are often used as a means to transfer digital information such as a text message or website. A) Infrared B) Ultraviolet C) Radio D) Visible Light

As more bulbs are added to a series circuit what happens to the resistance of the circuit

When a potential difference is put across a wire, ___. a. electron speeds decrease b. electrons drift slowly toward the positive end of the wire c. conduction of electricity ceases d. electron energy lessens

On a drive from one city to? another, victor averaged 39 mph. if he had been able to average 72? mph, he would have reached his destination 11 hrs earlier. what is the driving distance between one city and the? other?

A motorcycle has a constant speed of 24.3 m/s as it passes over the top of a hill whose radius of curvature is 182 m. The mass of the motorcycle and driver is 391 kg.

Discuss the relationship between acceleration. Are these scalar or vector quantities?

Which is the relationship between photon energy and frequency?

Two like charges are separated by some distance. Describe the quantitatively what will happen to the force exerted by one charge on the other ifa) the distance between the charges is doubledb) the distance between the charges is halvedc) one of the