A train traveling at 126 km/h comes to a complete stop in 175 s after the brakes were engaged. (a) Convert this speed (126 km/h) into m/s.

(b)What is the acceleration of the train during this time interval? (You need to give your answer in m/s2)

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.