Asubstance has a density of 13.5 g/cm3. what is the volume of a 50 g block of this substance?

What is the radius of the circular path ofa charged particle in a magnetic field?

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

To a of 4 x hz is 1. 0. mm nm nm