A commonly used of thumb is that the average velocity in a pipe should 6,000 m/s

Question

A commonly used of thumb is that the average velocity in a pipe should 6,000 m/s or less for "thin" (viscosity about water). If a pipe needs to deliv ms of water per day, what diameter is required to satisfy the 1-m/s rule? 4.3 Projectile Motion II Sports programs' "shot of the day segments sometimes show across-the-court basket made just as (or after) the final buzzer sounds. If a basketball player, with three sec onds remaining in the game, throws the ball at a 45 angle from 4 feet off the ground, standing 70 feet from the basket, which is 10 feet in the air, as illustrated in Figure 455 a. What initial velocity does the ball need to in to reach the basket b. What have order is the time of flight? and c. How much time will be left in the game after the shot? Ignore air resistance in this problem. 10 ft 4 ft 70 ft 4.4 Pulley I A 200 kg mass is hanging from a hook conner fd I01null nan ring

Explanation / Answer

Initial velocity v0 30 m/s angle theta 35 deg 0.610556 radians Horizontal velocity v0*cos(theta) 24.57988895 Vertical velocity v0*sin(theta) 17.19968195 The time of flight for the projectile T = 2*v0*sin(theta)/g 3.510139 s Horizontal distance travelled x = vo*cos(theta)*T 86.27883 m The range of the projectile is R = 86.27883m

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