Which of the following can be explained only by the wave nature of electromagnetic radiation?

A. Atomic Line spectra

B. Electron Diffraction

C. Photoelectric Effect

D. X-ray Diffarction

You run 100 meters in 15 seconds. What is your speed in m/s? and show your work

If a heater took 4 minutes to convert 500g of liquid water to 500g of water vapour how long would the same heater take to convert 500g of liquid aluminium to 500g of aluminium gas

In an ice hockey game a player with red T-shirt hits another player with green T-shirt. After the collision the green T-shirt player who was initially at rest moves with 2 m/s velocity.

What type of climate has a heave precipitation and a hot temperature

The number of times a machine multiplies the effort force is the what of the machine

which of the following best describes the amount of natural resources found here in the united states. coal is the only natural resources found in abundance in the US. Natural resources here are lacking and must all be imported to the us.

A ""zero-net energy"" building: A. is built using only natural raw materials B. can last longer than a traditional building C. produces as much as or more energy than it uses D. produces less than half the solid waste of a traditional building E.

What's the net force acting on an 18-kg object if an acceleration of 3.0 m/s2 is produced?

What type of force slows you down as you slide across the floor? A. Strong nuclear force B. Friction C. Magnetic force D. Gravity

Scenario A: A ramp is used to lift a refrigerator a height of 12 m with a force of 110 N. The ramp is at an angle of 50° to the ground. Scenario B: A ramp is used to lift a refrigerator a height of 13 m with a force of 120 N.