A photon has an energy of 5.53 à 10¯17 j. what is its frequency in s¯1?

What is an object doing at the moment its instantaneous ecceleration is zero?

When the kinetic energy of particles in a substance decreases, what also decreases? 93 The size of the particles in the substance. The number of particles in the substance. The substance's specific heat. The substance's temperature.

A force of 73.8 newtons is applied to travel bag at an angle 39.0° with the horizontal. What are the horizontal and vertical components of the force?

The frequency of a wave is 10 Hz. If the speed of the wave is 5 m/s, what is the wavelength? A. 0.5 m B. 2 m C. 10 m D. 50 m

How does earth's magnetic field behave through long periods of geologic time?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?