What is that piece of text or image which is printed at the top of every slide in a presentation?????

What is the fate of a piece of DNA which is somehow transferred into an alien organism?

In a children's park, there si a slide which has a total length of 10 and a height of 8.0 m figure. Vertical ladder are provided to reach the top. A boy weighting 200 N climbs up the ladder to the top of the slide and slides down to the ground. The averages friction offered by the slide is three tenth of his weight. Find a. the work done by the ladder on the boy as he goes up. b. the work done by the slide on the boy as he comes down. Neglect any work done by forces inside the body of the boy.

A 2 m ladder leans against a vertical wall. If the top of the ladder begins to slide down the wall at the rate 25 cm/s, then the rate (in cm/s) at which the bottom of the ladder slides away from the wall on the horizontal ground when the top of the ladder is 1 m above the ground is

A test tube is filled with some water .A small piece of wax is fixed at the bottom of the test tube and small piece of wax is made to float on the water what happens to the wax at the top and bottom of the test tube if the test tube is heated at the top middle and bottom?

The total area of a page is 150cm^(2). The combined width of the margin at the top and bottom is 3cm and the side 2cm. What must be the dimensions of the page in order that the area of the printed matter may be maximum?

(a) For the telescope described what is the separation between the objective lens and eye piece ? (b) If this telescope is used to view a 100 m tall tower 3 km away, what is the height of the image of the tower formed by the objective lens ? (c ) What is the height of the final image of the tower if it is formed at 25 cm ?