Calcule la masa y el peso de un cuerpo; considere que con una fuerza resultante de 400N si se produce una disminucion de 4m/s en su velocidad de 3 s

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you