Which of the following does the period of a pendulum depend on? 1. mass of the bob 2. length of the bob 3. acceleration due to gravity a. 1 only b. 2 only c. 2 & 3 d. 1,2, & 3

Which of the following is not a part of a wave? question 2 options: a: frequency b: refraction c: wavelength d: amplitude (whoever answers correctly first gets brainiest! ) ~kayla

What do you think car designers do if the damage caused by a crash test is too severe?

Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.