If a penny is dropped from rest from a tower takes 2 seconds to hit the ground, how far did it travel? a 29.4 m
b 19.6 m
с 6.8 m
d 9.8 m

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