A child drops a toy at rest from a point 4.0 m above the ground at the same instant her friend throws a ball upward at 6 m/s from a point 1.0 m above the ground. At what distance above the ground do the ball and the toy cross paths?
What will be an ideal response?
Question 2
A porch roof sloping at 45 accumulated snow to a depth of 30. cm. The roof measured 3.0 m 5.0 m. If the density of snow was 15. kg/ m2, what was the weight of the snow, in pounds, on the roof?
A) 210 lb
B) 74 lb
C) 56 lb
D) 148 lb
E) 105 lb
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked
Compressions for a child.
Stonehenge From The Ground
Cretinism can result in a child born to a mother who was iodine deficient during early pregnancy
The Growing Child