While camping you see the reflection of the moon on the lake. it looks like a bright flat sphere on the water. what phase of the lunar cycle is the moon likely in?
a. old moon
b. new moon
c. full moon
d. waxig gibbous

A12-g wad of sticky clay is hurled horizontally at a 100-g wooden block initially at rest on a horizontal surface. the clay sticks to the block. after impact, the block slides 7.5 m before coming to rest. if the coefficient of friction between the block and the surface is 0.65, what was the speed of the clay immediately before the impact?