Sir/Madam can you please solve question no. 15 for me again.

Actually I am not understanding the solution done by the previous expert.....!

Sir/Madam can you please solve question no. 15 for me again. Actually I am not understanding the solution done by the previous expert.....! of witMr*wn and 2 s-l. Find 40 N AM g moving speed test by a pJayer in applied by the Ans. N SOO body of by in a 5 kg ? A car is me-wing with a uniform velocity 30 m is in 2 by applying a of N through its brakes. Calculate (a) the change in momentum of car. (b) and (c) the mau retardation prcxfuccd in car, of the car. Ans. (a) (b) 15 me (c) A bcxly of mass 500 g, initially at rest. is acted upon by force Which causes it to move a distance Of 4 m in 2 s. Calculate the force Ans. 1 N applied. EW'ION'S THIRD LAW OF MOTION f OF MOTION thal the resultant force on the book is zero, which is possible only if the table exerts an equal upward ht to bring a force on the hook, equal to the wei2ht of Stae of motion