What is the frequency of a wave with a speed of 1250 m/s and a wavelength of 5 meters?

Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

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