Which quantity has both a magnitude and a

direction?

(1) energy (3) power

(2) impulse (4) work

think about Newton's second law. when designing a rocket ship, what could be adjusted in the design to provide more acceleration?

An electron de-excites from the fourth quantum level to the third and then directly to the first. Two frequencies of light are emitted.

Which object has more thermal energy a bowl of soup or pot of soup

Which is an example of precipitation? O A. clouds O B. groundwater C. rivers O D. snow

The speed of a transverse wave on a string is 450 m/s, and the wavelength is 0.19 m. The amplitude of the wave is 1.6 mm. How much time is required for a particle of the string to move through a total distance of 1.0 km?

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) ?