PLEASE HELP, WILL MARK BRAINLIEST (real answers only please) A 1.5 kg brick is sliding along a rough horizontal surface at 13 m/s. If the brick stops in 4.8 s, how much mechanical energy is lost?

127 J
140 J
135 J
117 J

Ithink they do have the same properties just in less quantities i think

Answer: it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.explanation:   we have equation of motion ,where s is the displacement, a is the acceleration, u is the initial velocity and t is the time taken.average velocity = displacement/ time taken.average velocity = 10.69 miles/hr = 10.69*1.6*1000/(60*60) = 4.75 m/s4.75 = s/ts = 4. 1we also have acceleration = 2.18 m/s², initial velocity = 0 m/sso it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.