On landing, the plane touches the runway with a speed of 65 m/s. The figure shows the speed of 65 m/s. The figure shows the speed of the plane after 1 second. Calculate the acceleration of the plane during its landing. What does a negative value for acceleration mean here?

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

What noticeable trend from this graph might be used to make a conclusion?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?