Light of wavelength 560 nm passes through a slit of width 0.170 mm. (a) The width of the central maximum on a screen is 8.00 mm. How far is the screen from the slit

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.