Light demonstrates the characteristics of

particles only

waves only

both particles and waves

neither particles nor waves

What is the velocity of the particle when its acceleration is zero?

What is the frequency heard by a person driving at 15 m/s toward a factory whistle emitting a frequency of 800. Hz? (speed of sound that day 340. m/s)

Which best describes the ages of the rocks on opposite sides of and the same distance from, A Seafloor spreading center? A. The rocks are the same age B. There is no way to compare the two ages C. The rocks closest to the continent are younger

if a house had timber walls would the heating bill be higher or lower than a house with fiber board and why

What is the purpose of armature

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?

A person walks 7 feet east stops and walks 7 feet west

Using the drop-down menus, choose the right government service to complete each sentence. Providing a free public education for all children is an example of supporting. Fighting fires is one way in which the government ensuresfor citizens.

A galilean telescope adjusted for a relaxed eye is 36cm long. If the objective lens has a focal length of 40cm, what is the magnification?

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration