13. A boy stands in front of a plane mirror. He wants to see his new shoes but they are not reflected in his image.
What should he do to be able to see his shoes in the mirror?
Move further from the mirror Place the mirror further down on the wall

Why is there friction between objects

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

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?