Trong thí nghiệm Young, hai khe cách nhau 2mm và cách màn quan sát 3m, dùng ánh sáng đơn sắc 0,68 . Xác định khoảng cách giữa vân sáng bậc 8 và vân tối thứ 4 ở hai phía so với vân trung tâm.

To run the physics cart, the fan speed of the cart is manipulated. this is the (blank) variable. the cart accelerates due to the speed of the fan. acceleration is therefore the (blank) variable. a “constant” is a parameter that stays the same regardless of the variables. one parameter of the cart that is held constant is the (blank) .

Will you chech and finish these for me, because i am stumped with them.

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.