What is the half life of u-235 according to the graph

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j