Iwill mark as the brainliest answer

do number 15 in check of all the other ones are right

In a good thermo flask the main cause of heat loss is

What can you increase the strength of an electromagnet by

Diego kicks a soccer ball from the end line. his fellow students time and mark the soccer ball as it moves down the field. the graph represents the ball's progress. based on the graph, during what time is the velocity constant and positive?