Yikes! A cat falls out a four-story window! If the cat is 5 kg and the acceleration is 9.8 m/s^2, what is the force at which the cat falls? A. 0 N
B. 49 N
C. 2.0 N
D. 5.1 x 10-1N

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?

How many neutrons does plutonium -196 with an atomic number of 78.