If an object moves in uniform circular motion in a circle of radius r = 1.00 meter, and the object takes 4.00 seconds to complete ten revolutions, calculate the centripetal acceleration. a = m/s2
a. 3.14 m/s2
b. 78.5 m/s2
c. 98.7 m/s2
d. 247 m/s2

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.

What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?