Answer:
For the bird moving in a straight line, the kinetic energy is one-half the product of the mass and the square of the speed: Ek=12mu2.
Answer:
It takes 77 N
Explanation:
Using Newton's second law of motion, F=ma (Force equals mass times acceleration. Since the mass of the couch is 385 kg and the target acceleration is 0.2 m/s, you simply multiply mass times acceleration (ma) to get the total force, or 77 N.
Answer:
there are 22 massive, positively charged, fundamental particles in the element's nucleus. Given this, the element is unquestionably titanium.
Answer:
18.99u or 19u
Explanation:
Mass number=No of protons+No of neutrons
- Fluorine has atomic number=9
- The Electronic configuration is given by
When only ________ acts on an object's mechanical energy is conserved.
<u>Answer</u><u>:</u>
Momentum
