A man dressed in all black is walking down a country lane. Suddenly, a large black car with no lights on comes around the corner and screeches to a halt. How did the car's driver know he was there?

this is tricky

If a person consumes an extra 500 calories per day, how long would it take before he or she gained one pound of fat? A. 10 days B. 14 days C. 7 days D. 5 days Mark for review (Will be highlighted on the review page)

The principle of conservation of energystates that energy is neither created nor destroyed. Which of thefollowing describes the transformation of energy in thisproblem? A.

When the speed of an object changes, what happens to its velocity?

You have a stopped pipe of adjustable length close to a taut 62.0 cmcm, 7.25 gg wire under a tension of 4710 NN.

List the ocean floor features that are formed by the movement of tectonic plates

2. How is frequency described in mathematical terms?

During a summer with little rainfall, your house on a hill slope experiences an interval during which your well runs dry. You have to borrow water from your neighbor who lives downslope from you. Why does your neighbor have water when you don't?

If a force does not act parallel to the resulting displacement, what is the effect on the work done by the force?

A stick is a connection of two same - diameter metal rod 5 cm, and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal / s. m.°C, and the second stick 50 cal / s. m.°C.

you can produce a sound by plucking a string or by blowing in a pipe. how are these two ways different?