The star Betelgeuse is 325 light-years away. If it were to explode in a supernova tonight, would we know? Explain your answer

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules

Alarge box of mass m is pulled across a horizontal frictionless surface by a horizontal rope with tension t. a small box of mass m sits on top of the large box. the coefficients of static and

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of