Four forces of 170 Newtons north, 240 Newtons east, 250 Newtons south and 300 Newtons west act on a body. Determine the magnitude of the body.

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is