URGENT :A kangaroo is capable of jumping to a height of 3.22 m. Determine the takeoff speed of the kangaroo.

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?