A Brainliest will be marked if u solve ex 1 or 2 plz help plz I beg u I swear u will be marked as Brainliest if u solve them This is part of ex 1
The adjacent circuit is formed of a generator of const voltage Un=10V, three lamps L. L and Ly, an oscope connected across the lamp L; and an ammeter of negulable resistance

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You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?