Two cars A and B are traveling in the lane of an adjacent highway at the position and speed shown in the figure (this instant is called t = 0). Car A is moving at an equivalent speed of 0.54 m/s, and Car B is 0.36 m/s. It moves at a constant deceleration rate of 6 m/s2 (a) Find when and where A overtakes B. (b) Find the speed of each car at that moment

Two cars A and B are traveling in the lane of an adjacent highway at the position and speed shown in the figure (this instant is called t = 0). Car A is moving at an equivalent speed of 0.54 m/s, and Car B is 0.36 m/s. It moves at a constant deceleration rate of 6 m/s2 (a) Find when and where A overtakes B. (b) Find the speed of each car at that moment

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.8P

See similar textbooks

Similar questions

Given: The plane accelerates in its current trajectory with a= 100 m/s^2 Farag Angle theta= 5° W=105 kips F_drag= 80 kips m= 1000 lbs Find: F_thrust, F_lift Please include the KD. Fthrust Futel t Fueight 000 BY NC SA 2013 Michael Swanbom
#4 1.11 For a small particle of styrofoam (1 lbm/ft) (spherical, with diameter d = 0.3 mm) falling in standard air at speed V, the drag is given by FD-3mVd, where is the air viscosity. Find the maximum speed starting from rest, and the time it takes to reach 95 percent of this speed. Plot the speed as a function of time. s) Answer: (Vmax=0.0435",t=0.0133 S
1. F3 The lateral-direction equations of motion of an aircraft in steady, straight and level flight are v=-0.243v-136.25r+9.80-0.7595 +4.825 p+0.0557r=-0.195v-1.695p+0.913r+16.535 +6.995 0.0152p+ 0.106v+0.039p-0.624r +0.3195-6.43% O=P (a) 4 € Consider the state-space representation of the equations of motion given by. Xlat Alat Alat + Blatulat ' and where and with F4 % Ylat 5 = Clat Xlat + Dlat lat Xlat = (V, p, r, $)T Ylat = (Y1, Y2, 3), Y₁ =B=V/VR, Determine the matrices Alat Blat, Clat, and Dlat- 10 F5 ^ Y2 = r, 6 1) F6 H y3 = (ay) eg 7 PrtScn F7 = V +136.25r. W * 8 Home F8 ( 9 End F9 ) PgUp 0
Error 9- A particle falling under the influence of gravity will be a model for the law of conservation of momentum. jo 9:17
A wave-energy harvester is to be built off the north shore of Honolulu (seawater at 20°C) where the average wave speed is V = 15 m/s. The size of the prototype device is characterized by its height H Laboratory water tank (fresh water at 20°C) where the wave speed is 5 m/s (shallow water wave speed is only a function of depth). 6 m. A model is to be tested in the Davidson (a) express the predicted power generated W as a function of density p, height H, wave speed V, and gravity g. (b) similarity. (c) output. Derive a set of dimensionless parameters using the Pi theorm that will Determine the height of the laboratory model device to ensure dynamic If the model produces 6.85 kW, determine the expected prototype power
(b) A new prototype rocket engine test shows that the distance covered by a rocket from t=8 sec to t= 30 sec is given by - 16 140000 (140000-2100r 2000 In 101)-9.81 ) di Comparing two and three points Gauss Quadrature, investigate which method gives the highest accuracy (in terms of relative error) in predicting the distance covered by a rocket from t = 8 sec to t = 30 sec.
PROPAGATION OF ERROR You are tasked to supervise the design of 0.5MW wind turbine to be constructed in a Wind Farm in Pililla, Rizal. Suppose the design criteria are as follows: The air density as surveyed after 2 year period averaged at 1.225 kg / cubic meter. The sweeping diameter of the rotor blades is 125m, and the anemometer reading in the area amounts to 4.2m/s on a 2 year period of survey. What is the theoretical power output of the turbine assuming 100% efficiency of operation? Your answer must be in kW and in two decimal places with correct signs. In the previous problem, if the diameter measurement is off by 0.1m and the anemometer reading is also fluctuating by 0.05m/s and if the error measurement for theoretical power output must be limited to 3%, WHY OR WHY NOT should you accept the design? * Show complete solution in paper.
A2) In order to solve the dimensional analysis problem involving shallow water waves as in Figure 2, Buckingham Pi Theorem has been used. h Figure 2 Through the observation that has been done, the wave speed © of waves on the surface of a liquid is a function of the depth (h), gravitational acceleration (g), fluid density (p), and fluid viscosity (µ). By using this Buckingham Pi Theorem: a) Analyze the above problem and show that the Froude Number (Fr) and Reynolds Number (Re) are the relevant dimensionless parameters involve in this problem. b) Manipulate your Pi (1) products to get the parameter into the following form: pch := f(Re) where Re = Fr = c) If one additional primary variable parameter involve in this proolem such as, temperature (T). Discuss on the Pi (m) products that can be produce and explain why this dimensional analysis is very important in the experimental work.
The following equation may be used to estimate the take-off ground run for an aircraft: Equation has been attached as an image. Calculate the take-off ground run, from a runway at ISA-SL conditions, for a twin engine aircraft for which the following data may be assumed Aircraft lift-off speed 155 knots Max take-off gross weight 220 tonnes Wing planform area (S) 358 m Wing CL (t/o flaps deployed, a = 0) 1.1 Wing span 53.18 m Oswald efficiency factor, e 0.7 KGE = CD(IGE) / Co(OGE) 0.4 Co sum (fuselage, wing, tailplane and nacelle) 0.015 Co for undercarriage 0.021 Co for flaps at taking-off setting 0.0073 Coefficient of rolling friction, u 0.02 Engine thrust (assumed constant) 310 kN per engine It may be assumed that 1knot = 0.51444 m/s It may be assumed that 1knot = 0.51444 m/s
Q:1 A model rocket is launched straight upward with an initial speed of 50.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s? until its engines stop at an altitude of 150 meters. (a) Describe the motion of the rocket after its engines stop. (b) What is the maximum height reached by the rocket? (c) How long after liftoff does the rocket reach its maximum height? ay = 9,8 down (d) How long is the rocket in the air? Signs engines-- cut som I am Sorry !!! 50t
ki= 15 N/m; k2 = 10 N/m; m, k3 = 12 N/m; %3D ci = 1 N.s/m; m2 k,Z c C2 = 2 N.s/m; C3 = 2 N.s/m; m3 mı = 25 kg; 7 kg; m2 = m3 = 15kg; solve the mathematical model.
A physics lab Consist of a large bowl attached to wire. Students hold onto one of the wire the whirl the ball around in circles and count the number of rotations per second. One group finds these numbers: ball mass=320g, wire length=1.3m, number of rotations/second=2.5. The wire is made of steel with a diameter of 1mm and a Young’s modulus of 20x10^10 N/m^2. How much does the wire stretch due to the tension on it? Should the students correct their data for the wire stretching?