in the figure, a 4.0-kg ball is on the end of a 1.6-m rope that is fixed at 0. the ball is held at point a, with the rope horizontal, and is given an initial downward velocity. the ball moves through three quarters of a circle with no friction and arrives at b, with the rope barely under tension. the initial velocity of the ball, at point a, is closest to

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Which radioisotope is used in dating geological formations?

Someone plz me out ill give 30pts match the vocabulary word with the correct definition. 1. obstacles or difficulties that prevent exercise -regular exercise 2. conditioning that strengthens the heart, lungs, and blood vessels -obese 3. conditioning that strengthens specific muscles -flexibility 4. when a person is very heavy or overweight -muscular fitness 5. conditioning that the joints move better -physical fitness 6. a measurement of how healthy a person is in three main areas limitingfactors 7. a plan to exercise every week -cardiovascular fitness