What will happen to the astronaut when the jets produce these four forces: 10N, 10N, 9N, 9N?

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2