A flashlight is an example of

Which choice best describes the role of a town crier? Walked around town crying out official news Called people on the phone with the news Wrote editorials in newspapers Worked for the king

Which force best represents Fg? a) A weight lifter is pushing a barbell upward with a force of 90 N. b) The weight of a barbell acting on a weight lifter is 80 N. c) The amount of upward force of a table on a box is 25 N.

A wave has a wavelength of 5 mm and a frequency of 17 hertz. What is its speed?

The position of a full moon is located

A 1200 kg cannon fires a 100.0 kg cannonball at 52 m/s. What is the recoil velocity of the cannon? Assume that frictional forces are negligible and the cannon is fired horizontally. A) 4.3 m/s B) 5.2 m/s C) 52 m/s D) 4.7 m/s

A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23 degrees with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and vertically?. a. 199.7 feet horizontally and 75.2 feet vertically. b. 60.

What is the kinetic energy (in joules) of a. 2 kg softball thrown at a speed of 40 m/sec? (answer should be in correct units)

How is the information sent back to earth by the robots?

During which change of state do atoms lose energy? sublimation freezing boiling melting

Why does the rotation of earth require people to establish times zones?