A particle is traveling in a circular path of radius 3 m. The particle starts at 0 = 0 at t = 0 and has a constant speed of 2 m/s. (a) Where is the particle at t = 2 s? (b) What is the acceleration of the particle at t = = 2 s².?

Question 2 A red car and a green car are moving toward each other. Figure below is a graph of their motion, showing the positions xro = 270 m and xgo = -35 m at time t = 0. The red car has a constant speed of 20.0 m/s and the green car begins from rest. (a) At what distance does the two cars meet? (b) What is the acceleration magnitude of the green car? Xgo 12 I (s) (u) x

At time zero, a particle is at x = 4.0 m and y = 3.0 m and its velocity v is given in diagram H.  The particle has a uniform acceleration a of given by the equation in diagram H.  What is the object’s position at time t = 4.0 s? SEE ATTACHED DIAGAM WHICH ONE IS CORRECT? A. None of the other answers   B. (20,                  -21) m   C. (33,                  18) m   D. (44,                      -9.0) m

Consider a satellite on a trajectory around Earth. The velocity of the satellite is 0.1 ê, + 8.6 êg km/s over a range of time of interest. What is the magnitude of Coriolis acceleration in m/s? at an instant when the altitude is 700 km. Assume radius of Earth to be: 6378 km.

2. The acceleration of a particle is given by a = (6t-3) m/s2, where t is in seconds. Assume the particle moves in a horizontal direction only. It starts at rest when it is located at 2 m to the right of the origin at t = 0 s. Answer the following questions. a. Is acceleration constant over time? Justify your response by explaining why this is relevant to your analysis. Yes Reasoning: No b. What is the velocity of the particle as a function of time? Show your work. Velocity as a function of time C. Where is the particle located at when t = 5 s? Show your work. Magnitude rounded to 3 sig. fig. Units Units Direction (right or left of origin)

Q2: The particle P starts from rest at point A at time and changes its speed thereafter at a constant rate of 2g as it follows the horizontal path shown. Calculate the magnitude and direction of its total acceleration for the following: (1) just before point B, (2) just after point B, and (3) As it passes point C. તd PDOW State your directions relative to the x-axis shown (CCW positive). P 3 m B 3.5 m Q

Initially (at t=0 s) a weather balloon is at x = 0 and at time t (seconds) its horizontal velocity component is 0,2t m/s. The equation of its path is y = 0,2x² m. (a) Calculate the magnitude and direction of its velocity at time t = 10 s. (b) Calculate the radius of curvature at x = 10 m as well as the magnitude of the normal directed acceleration component an there. (c) Assume the acceleration a = 2,4 m/s² and the magnitude of the normal component an 0,4 m/s². Calculate the tangential component at.

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Vr A camera tracks the position of a particle moving along the given path with b = 10 m. At the moment shown, the camera angle is 0 = 40°, and the camera is rotating at 0.3 rad/s, which is accelerating at a rate 0 = 0.2 rad/s². What are the radial and transverse components of velocity and acceleration at this instant? Vo = Ar 0 ao = r = b sin(20) m/s m/s m/s² m/s² =

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