A shell is fired from the ground with an initial speed of 1. 70 × 10^3 m/s at an initial angle of 55. 0° to the horizontal. Neglecting air resistance, find a) the amount of time the shell is in motion b) the shell’s horizontal range. (use g = -9. 81 m/s^2).

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.