A building is being knocked down with a wrecking ball, which is a big metal sphere that swings on a 10-m-long cable. You are (unwisely!) standing directly beneath the point from which the wrecking ball is hung when you notice that the ball has just been released and is swinging directly toward you. How much time do you have to move out of the way

9.E. Motion with constant accelerations in both the x and y directions 2.0m Į m vo An electron is shot at the center of an electromagnetic tube device with initial velocity m vo 20¹î+4ĵ. In the tube it experiences gravity, but it is also accelerated in the 0 S S 11m 1 horizontal direction with ax = -g where g = 9.8 m/s² a. Does the electron hit the top of the tube: yes or no? Justify your answer b. Does the electron make it out of the tube: yes, or no? Justify your answer.

19. A particle is moving on the curve x*y =1. As it passes through the point (2,1/4), the x- coordinate is increasing at a rate of 2 units per second. At what rate is the y-coordinate changing at that time?

I can use the equation(s) below to find the child's speed at different points as he swings across the river. v2 = vo² + 2a Ax mgh₁+mv₁ = mgh₂+mv22 FAt Amv F = m V2 1. Yes 2. No