In humans, having freckles is dominant over not having freckles. neither jillian nor her husband frank have freckles. of thier four children, how many have freckles?

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?