A 400 grams bird is flying at a constant speed of 7 m/s. What is the bird's kinetic energy ?

Kinetic energy is always 12mv2 , which in this case, is 3.2 J. Explanation: 12mv2=12(0.1 )(8.0)2=3.2J.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!