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Question: A dog running in an open field has components of velocity Vx = 3.3 m/s and Vy = -2.3 m/s at time t1 = 11.4 s. For the time interval from t1 = 11.4 s to t2 = 22.6 s, the average acceleration of the dog has magnitude 0.43 m/s^2 and direction 25.0 degrees measured from the + x - axis toward the + y -axis . At time t2 = 22.6 , what are the x- and y-components of the dog's velocity? What is the magnitude of the dog's velocity? What is the direction of the dog's velocity (measured from the toward the + x- axis and +y - axis)?
A cord is wrapped around the rim of a wheel r in radius, and a steady pull of F is exerted on the cord. The wheel is mounted on frictionless bearings on a horizontal shaft during its center. The moment of inertia of the wheel regarding this shaft is ..
Two waves are traveling in the same direction along a stretched string. The waves are 45.0° out of phase. Find the amplitude of the resultant wave
A satellite moves in a circular orbit around the Earth at a speed of 5.5 km/s. Determine the satellite's altitude above the surface of the Earth
The volume flow rate in an artery supplying the brainis 3.6*10 -6 m3/s. If the radius of theartery is 5.3 mm, determine the average blood speed
Steam enters a circular pipe at 1600 kPa, 400 oC and 10 m/sec and exits at 1000 kPa and 32 m/sec. find parameters of steam and pipe
Low-frequency vertical oscillations are one possible cause of motion sickness, with 0.40 having the strongest effect. How much time elapses between two waves hitting the ship
The oscillator of Problem 3-1 is set into motion by giving it an initial velocity of 1 cm/s at its equilibrium position. Calculate- The maximum displacement
A lecturer is demonstrating two-slit interference with sound waves. Two speakers are used, 1.9 m apart. The sound frequency is 1180 Hz and the speed of sound is 343 m/s. Students sit facing the speakers in a row of seats 5.1 m away.
A remote-controlled car's wheel accelerates at 22.1rad/s2. if the wheel begins with an angular speed of 10rad/s, what is the wheel's angular speed after exactly eleven fullturns?
Two cars are each traveling at 27.0 m/s, and they are approaching each other. The security alarm in one of the cars accidentally sounds. What frequency fo is heard by the driver of the other car
Disk 1 has a radius of 5 cm and mass of 1 kg it spins at an angular velocity of 2 rad/s a second disk is dropped on top of disk 1. what was the mass of the second disk
What is the predicted exit concentration of dissolved oxygen? It will be wise to develop a material balance model on O2 for the shell-and-tube mass exchanger.
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