What two controls on a car cause a change in speed? What control causes only a change in velocity

Technician A says that the oil control ring scrapes oil off the cylinder wall with each downward piston stroke. Technician B says that a typical oil control ring consists of two separate pieces. Who is right? A. Neither Technician A nor B B.

The ozone makes life on earth possible by doing what? providing plants with energy magnifying the amount of energy coming from the sun blocking the sun's harmful rays making plants grow

What directly influences deepwater currents? a. wind and pressure b. salinity and wind c. temperature and salinity d. temperature and pressure

An airtight box has a removable lid of area 1.00 10-2 m2 and negligible weight. the box is taken up a mountain where the air pressure outside the box is 9.50 104 pa. the inside of the box is completely evacuated.

Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next. When you increase your speed by 8.2 mi/h, the time to go one mile decreases by 12 s. what is your original speed?

What is the definition of matter

Wavelength of a sound wave decreases so that it has a higher frequency. Which characteristics would you also expect to change? A) color B) volume C) pitch

Waves on a pond are an example of which kind of wave? a. sound b. surface c. deep water d. non-mechanical

What does a velocity vs time graph look like for constant velocity if the speed is 2m/s. And the time is not given.

An electron and a proton, starting from rest, are accelerated through an electric potential difference of the same magnitude. in the process, the electron acquires a speed ve, while the proton acquires a speed vp. find the ratio ve/vp.