Acarpenter leaves several tools on the floor of his workshop when he goes for his lunch break. sometime later the carpenter returns and sees that one of his coworkers has moved his tools to different shelves on a nearby bookshelf. which data would the carpenter need to collect to calculate the amount of work required to lift his tools onto the shelves?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

What energy is it when you flip on a switch on a lamp