A 51.3-kg pole vaulter running at 10.35 m/s vaults over the bar. Her speed when she is over the bar is 0.93 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.

Ithink it’s cancer risk

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.

Electricity and discharge

Dis the best answer im sure it is it has to be im positive