Answer:
The answer to this question is true. Swinging a tennis racket against a ball is an example of a third class lever.
Explanation:
Levers are examples of simple machines that makes work easier by minimizing human effort to do work.
Hello. This question is incomplete. The full question is:
If Sally has a fitness goal to improve her mile run time from 10 minutes and 15 seconds per mile to below 8 minutes and 30 seconds per mile in 3 months, which training plan using the heart rate zones would best help her achieve her goal?
Sally should do all her workouts in zone 4 in order to increase her anaerobic threshold.
Sally should most of her workouts in the 5th zone to increase speed.
Sally should do most of her workouts in the 1st and 2nd zones to increase her ability to withstand fitness activity.
Sally should do most of her workouts in zone 3, but have some of her workouts
Answer:
Sally should do all her workouts in zone 4 in order to increase her anaerobic threshold.
Explanation:
The heart rate zones are used to measure the athlete's cardiovascular strength and to improve the intensity of physical training. These zones are divided into 5 phases, with phases 1, 2 and 3 geared to provoke the athlete's adaptation to training intensity and 4 and 5 geared to cause greater physical performance to workouts of greater intensity.
Sally wants to increase the intensity of her training, for this reason, we can conclude that she must do all her exercises in zone 4. This is because this zone has the ability to increase the body's aerobic threshold, promoting increased resistance and speed of the body , which will allow Sally to finish her training in less time.
Answer:
The activities of the mining industry should portray best contemporary practice for the minimization and, where achievable, end of unfriendly ecological impacts. The mining industry can do so by:
* consolidating ecological issues as an essential piece of short and long range making arrangements for all undertakings and activities;
* conforming to all pertinent ecological laws, guidelines, and endorsed principles and models, and guaranteeing that its temporary workers do in like manner;
* partaking in the advancement of ecological enactment;
* advancing and, where achievable, actualizing new or more powerful practices for ecological insurance, consistence and crisis reaction;
* taking sensible measures to guarantee that the industry's tasks are receptive to the natural necessities of the communities in which they work
Explanation:
Environmental effects of mining can happen at nearby, provincial, and worldwide scales through immediate and roundabout mining rehearses. Effects can bring about disintegration, sinkholes, loss of biodiversity, or the tainting of soil, groundwater, and surface water by the chemical compounds transmitted from mining measures. These cycles additionally affect the climate from the outflows of carbon which have impact on the nature of human well being and biodiversity.