A particle revolves in a horizontal circle of radius 1.95 m. At a particular instant, the particle has a tangential speed of 0.85 m/s with its tangential acceleration of 0.95 m/s2. Calculate the total acceleration of the particle.

The “death throes” of stars are amongst the most complex phenomena in all of astronomy, and the “corpses” of stars amongst the most energetic and exotic objects in existence. beginning at the end of the core helium fusion stage in a star’s life, describe in detail the post-main sequence development of both (a) a 1.0 solar mass star, and (b) a 25.0 solar mass star. in what significant ways do they differ? what role does each of these types of stars play in the "star-gas-star" cycle and the evolution of chemical elements in our galaxy?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?