06:07 1 4G QIYUN ZHANG.pdf 15 A solid wooden cube rests on a horizontal surface What gives the pressure exerted by the weight of the cube on the horizontal surface? for nocure A the product of the acceleration of free fall and the density of the cube put any ammutime et those chariguy BA the product of the acceleration of free fall. the density and the side length of the cube C the product of the acceleration of free fall. the density and the area of one face of the cube D the product of the acceleration of free fall, the density and the volume of the cube CIYUN ZHANG 16 Which expression could be used to calculate power? (current) resistance B force x displacement time Entries C current x (resistance) Bylatius and Component D weight time 5553\\26782 17 A bungee jumper jumps from a platform and is decelerated by an elastic bungee cord, as shown. platform bungee jumper bungee cord " v f h bungee 51 x x cord All entry details. to belling of you; becked for accuracy Cambridge how or me status Comp If any amendme submitted. i news Statement of Ent will need to be generated to noct these changes Any questingdesolating to your entries should be sotuned to your Gocern ground NOT TO ground Candidate D before jumping YUN ZHANG SCALE during the jump When the jumper makes the jump, his initial gravitational potential energy is converted into his kinetic energy and into elastic potential energy in the card. At which part of the jump are all three types of energy non-zero? A on the platform before the jump B on the way down before the cord has started to extend C on the way down as he decelerates Emmes Date Time Ratake D at the bottom of the jump when he is stationary