1. The tolerance is -+1 in the 2nd significant digit

A train started from rest and moved with constant acceleration. At one time it was traveling 34 m/s, and 170 m farther on it was traveling 41 m/s. Calculate la} the acceleration, lb} the time required to travel the 170 m mentioned, (c) the time required to attain the speed of 34 m/s. and {d} the distance moved from rest to the time the train had a speed of 34 m/s. (a) Number 1 (b) Number i 8.30 Units 5 (c) Number I Units 5 (d) Number i 116.92 Units m Current Attempt in Progress Your answer is partially correct. (a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.44 m/s2 and subway stations are located 826 m apart, what is the maximum speed a subway train can attain between stations? (b) What is the travel time between stations? (c) If a subway train stops for 22.0 s at each station. what is the maximum average speed of the train, from one start-up to the next? (a) Number i 48.774 Units m/s v (b) Number i 33.871 Units 5 I (c) Number i 14.784 Units W5 v The position of a particle moving along the x axis is given in centimeters by x = 9.37 + 1.83 to, where t is in seconds. Calculate (a) the average velocity during the time interval t = 2.00 s to t = 3.00 s; (b) the instantaneous velocity at t = 2.00 s; (c) the instantaneous velocity at t = 3.00 s; (d) the instantaneous velocity at t = 2.50 s; and (e) the instantaneous velocity when the particle is midway between its positions at t = 2.00 s and t = 3.00 s. (a) Number i 0.36 Units cm/s (b) Number i 0.22 Units cm/s (c) Number i 0.49 Units cm/s (d) Number i 0.34 Units cm/s (e) Number 0.23 Units cm/s VYour answer is partially correct. To test the quality of a tennis ball, you drop it onto the floor from a height of 4.57 m. It rebounds to a height of 2.02 m. If the ball is in contact with the floor for 14.1 ms, what is its average acceleration during that contact? Number i 1093.62 Units m/s^2The position of a particle moving along the x axis depends on the time according to the equation x = ct3 - bto, where x is in meters and t in seconds. Let c and b have numerical values 2.4 m/s and 1.7 m/s, respectively. From t = 0.0 s to t = 1.3 s, (a) what is the displacement of the particle? Find its velocity at times (b) 1.0 s, (c) 2.0 s, (d) 3.0 s, and (e) 4.0 s. Find its acceleration at (f) 1.0 s, (g) 2.0 s, (h) 3.0 s, and (i) 4.0 s. (a) Number -2.93 Units m (b) Number i 61.8 Units m/s (c) Number -38.4 Units m/s (d) Number i -1830.6 Units m/s (e) Number -9292.8 Units m/s (f) Number 93 Units m/s^2\f