Heather and matthew walk eastward with a speed of .84 m/s east. if it takes them 49 minutes to walk to the store, how far have they walked. answer in units of km.

The softest and hardest minerals are: softest hardest

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?

Should we celebrate the voyages of zheng he mini q answer key