Which of the following is not a benefit of a good warm-up decreases the temperature of your muscles increases your metabolic rate so oxygen is delivered to the muscles more quickly prevent injuries by approving the elasticity your muscles physiology prepares you for hire intensities bike racing your focus on exercise answer asap

The particle p starts from rest at point a at time t = 0 and changes its speed thereafter at a constant rate of 2.8g as it follows the horizontal path shown. determine the magnitude and direction of its total acceleration (a) just before point b, (b) just after point b, and (c) as it passes point c. state your directions relative to the x-axis shown (ccw positive) and choose the angle with the smallest magnitude.