4.2.5 Quiz: Time for Anaerobics Question 2 of 5
During an anaerobic burst of exercise, what percentage of a person's
maximum heart rate should be reached?
A. 60-70%
B. 80-90%
C. 70-80%
D. 90-100%
UBMIT
The answer should be D 90-100%

F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.