A"doomsday" asteroid with a mass of 1.0 × 1010 kg is hurtling through space. unless the asteroid's speed is changed by about 0.20 cm/s , it will collide with earth and cause tremendous damage. researchers suggest that a small "space tug" sent to the asteroid's surface could exert a gentle constant force of 2.4 n .

1) sections 1, 2, and 10 are significant primarily because they suggest the likelihood that a) widow wycherly is actually the woman in the full-length portrait. b) dr. heidegger wants to include his guests in an experiment with the water. c) dr. heidegger plans to drink some of the water from the vase and needs witnesses. d) the guests will be asked to witness dr. heidegger's transformation when he drinks the water.

Glass is transparent to visibile light under normal conditions; however, at extremely high intensities, glass will absorb most of the light incident upon it. this works through a process known as multiphoton absorption. in this process, several photons are absorbed at the same time. if very intense light whose photons carry 2ev of energy is shined onto a material with a band gap of 4ev, that light can be absorbed through two-photon absorption, because two photons have the right amount of energy to bridge the band gap. what is the minimum number of photons of 800-nm light that are needed to equal or exceed the band gap of fused silica glass

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.