A student is subjected to a reaction force of 10 N northward from a 5 kg block while pushing the block over a smooth,
level surface. Ignoring friction, what is the acceleration of
the block?

Identify the type of synthetic material used in each object

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

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