What is the speed of a 48- kilogram dog running across a lawn with 216 joules of kinetic energy?

What did the first language sound like

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere