Astandard object defined as having a massof exactly 7.98 kg is given an acceleration of2.5244 m/s2when a certain force is applied toit. a second object of unknown mass acquiresan acceleration of 1.0021 m/s2when the sameforce is applied to it. what is the mass of the second object? answer in units of kg

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.)

More solar radiation is absorbed by earth’s surface than by

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving