Question

A man uses a snow sweeper to clean access to his garage. If the snow is discharged at an average angle of 40 degrees with the horizontal, determine the initial snow speed.

4. Un hombre utiliza una barredora de nieve para limpiar el acceso a su garaje. Si la nieve se descarga a un ángulo promedio de 40° con la horizontal determine la velocidad inicial vo de la nieve. Ielidro oibar nu aiba hob -- - - i mosb con zoles ob TUL u ol (2000) PIXSS. 40° 3.5 ft FINN

Answer 1

SOLUTION First note (vr)= V, cos 40° (vy) = y, sin 40° 144 - Horizontal motion. (Uniform) x=0+(Vx)ot 14 At B: 14 = (vo cos 40ºtor tp =- Vo COS 40° Vertical motion. (Uniformly accelerated motion) y=0+(Vy]ot – 5222 (= 32.2 fus?) At B: 1.5 = (vo sin 40%)tp – Substituting for tb 1.5 = (1, sin 40€) 14021--14 mm ' '| Vo cos 40°) 28 vo cos 40°) Vo = 32.2)(196)/cos? 40° -1.5+14 tan 40° Vo = 22.9 ft/s

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