A visible light emits light with a wavelength of 4.00x10^-7m.

Calculate the frequency of the violet light.

a) 7.50x10^4Hz

b) 6.30x10^24Hz

c) 7.50x10^1Hz

d) 6.30x10^-1Hz

The use of an ammeter is being discussed. Technician A says the ammeter is used to measure current flow. Technician B says the ammeter must be connected in parallel to the circuit being tested. Who is correct?'

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Fill in the blanks to complete each statement about the heating of Earth's surface. Earth takes in thermal energy from the Sun in a process called Sunlight strikes Earth's surface at different angles. This angle is called the angle of Done Intro

A 2.0-kg block is on a perfectly smooth (frictionless) ramp that makes an angle of 30^/circ30 ∘ with the horizontal. What is the force of the ramp on the block?

What is the difference between negative displacement and negative velocity?

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