Melanie watched the path a baseball followed after a pitcher threw it. she noticed that the ball traveled horizontally away from the pitcher as well as downward toward the ground. what force caused the ball to accelerate in the downward direction when it was thrown?

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?

Avalue that describes how heavy an object is and is related to the force of gravity is