A child rides on a merry-go-round while his mother sits on the ground, watching. The child waves goodbye to his mother and then passes her 10 times in 2 minutes. What is the child's angular speed?

Many Native American tribes fought in the Revolutionary War. The majority of these tribes fought for the British but a few fought for the Americans. Many of these tribes tried to remain neutral in the early phase of the war but when some of them came under attack by American militia, they decided to join the British.

Explanation: