The motion of a particle moving in a circle in the x-y plane is described by...

 

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The motion of a particle moving in a circle in the x-y plane is described by the equations: r(t)=3.76, (t)=7.91t Where is the polar angle measured counter-clockwise from the +x-axis in radians, and r is the distance from the origin in m. Calculate the y-coordinate of the particle at the time 1.90 s. 2.361 m You are correct. Your receipt no. is 162-4276 Previous Tries Calculate the y-component of the velocity at the time 3.40 s? 29.74 m/s Because the angle theta increases linearly with time, the speed v is constant and is given by v = R d(theta)/dt Note: R is constant in the problem. Incorrect. Tries 7/7 Previous Tries Calculate the magnitude of the acceleration of the particle at the time 1.00 s? 2.353x102 m/s^2 You are correct. Your receipt no. is 162-4341 Previous Tries By how much does the speed of the particle change from t=10 s to t=43 s? 0 m/s You are correct. Your receipt no. is 162-5337 Previous Tries Calculate the x-component of the acceleration at the time 1.80s? 228.03 m/s^2 Submit Answer Incorrect. Tries 4/7 Previous Tries The motion of a particle moving in a circle in the x-y plane is described by the equations: r(t)=3.76, (t)=7.91t Where is the polar angle measured counter-clockwise from the +x-axis in radians, and r is the distance from the origin in m. Calculate the y-coordinate of the particle at the time 1.90 s. 2.361 m You are correct. Your receipt no. is 162-4276 Previous Tries Calculate the y-component of the velocity at the time 3.40 s? 29.74 m/s Because the angle theta increases linearly with time, the speed v is constant and is given by v = R d(theta)/dt Note: R is constant in the problem. Incorrect. Tries 7/7 Previous Tries Calculate the magnitude of the acceleration of the particle at the time 1.00 s? 2.353x102 m/s^2 You are correct. Your receipt no. is 162-4341 Previous Tries By how much does the speed of the particle change from t=10 s to t=43 s? 0 m/s You are correct. Your receipt no. is 162-5337 Previous Tries Calculate the x-component of the acceleration at the time 1.80s? 228.03 m/s^2 Submit Answer Incorrect. Tries 4/7 Previous Tries