The weight of different types of missiles varied greatly. The smallest missile was the American Spike missile, which weighed a little more than two kilograms and was about the size of a French baton. Large intercontinental missiles could weigh more than 100 tons. China's Dongfeng-41 intercontinental missile weighed more than 60 tons. In general, the weight of missiles ranged from a few kilograms to hundreds of tons.
The weight of dumbbells depends on many factors. It could be as light as 1 pound for rehabilitation purposes or as heavy as 100 pounds for advanced strength training. Different brands and models also offer various weight options.
Goku could escape by overpowering Broly. He might tap into his Super Saiyan forms, like going into Super Saiyan Blue or even Ultra Instinct if he's pushed far enough. His sheer power and fighting skills could allow him to break free from whatever restraints Broly has put on him.
It could be insanely powerful. Goku already has incredible power levels, and Goku Black is no slouch either. When they fuse, it's like combining two nuclear reactors. Their power could be so great that they could effortlessly destroy planets just by flexing their newfound power. They might be able to reach Super Saiyan forms that are far beyond what we've seen in the official series, with power levels that are basically off the scale.
Xu Kai's weight was different in different reports. At the Raging Fire Military Academy's meet-and-greet, his weight was measured to be 152 pounds. However, in other reports, his weight was called 130kg, 132kg, 148.5kg, and 74.25kg. Due to the existence of inconsistent information, it was impossible to determine Xu Kai's current accurate weight.
Zhang Zimu's height was 145cm (document 2 and document 4). However, there was no clear information about her weight. Therefore, I don't know Zhang Zimu's weight.
It really depends on a lot of factors. The weight can vary based on the paper quality, size of the pages, and the type of printing. But generally, it could be around a few hundred grams.
The dumbbells' weight in the manga isn't clearly defined. It seems to be more symbolic of the challenges the characters face and their determination to overcome them than having a fixed numerical weight.