The emission of the light waves in the lasers allows them to overlap properly to create larger waves, which means that overlap. a) the waves do not b) the troughs of one wave and the crests of another c) identical parts of the two waves d) only fifty percent of one wave and another wave

Write the correct abbreviation for each metric unit

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?