5. a stone propelled from a catapult with a speed of 50 m/s attains a height of 100m. Calculate a. the time of flight

Explanation:

The time of flight can be found by using the formula

d is the distance covered

v is the velocity

From the question we have

We have the final answer as

Hope this helps you

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.