A diverging lens has a focal length of 18.6 cm. An object 1.49 cm in height is placed 353 cm
in front of the lens.

1.Locate the position of the image.
Answer in units of cm.

2.What is the magnification?

3.Find the height of the image.
Answer in units of cm.

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s