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IceJOKER [234]
3 years ago
14

Help ... plz

Physics
1 answer:
Alona [7]3 years ago
3 0

<u>Benefits of strength and muscular endurance exercises and two examples:</u>

Of several purposes, muscle strength and endurance are beneficial, like as follows

  • increasing potential to do things such as doing daily routine work
  • carrying boxes or wood cutting before getting exhausted
  • reducing the risk of injury
  • helping you to maintain a healthy body weight
  • contributing to healthier muscles and bones
  • enhancing morale and feeling about yourself.

The two examples for strength and muscular endurance exercises are: Plank and Body weight squats.

Squats shape the human body part which is used to sit (butt) and entire body, reduce fat, strengthen posture, increase blood circulation, boost your flexibility.  

While plank helps to reinforce the heart, hikes metabolism, decline back pain by supporting backbone, improved joint health, balance mood and relieved stress.

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A cannonball is launched off a 100 m cliff horizontally with an initial velocity of 50 m/s. The goal is to have the cannonball t
Rudiy27

Answer: It will fall short of its goal.

Explanation: I took the quiz.

7 0
3 years ago
When the palmaris longus muscle in the forearm is flexed, the wrist moves back and forth. If the muscle generates a force of 43.
zmey [24]

To solve this problem, we must take two important steps. First we will convert all the given units, to international system. Later we will define the torque, which is given as the product between the radius of application of the force and the Force acting on the body. Mathematically the latter is,

\tau = r F

Here,

r = Radius

F = Force

Now the units,

r = 1.95cm = 1.95*10^{-2}m

Replacing,

\tau = (1.95*10^{-2})(43.5N)

\tau = 0.8483N\cdot m

Therefore the torque that the muscle produces on the wrist is 0.85N\cdot m

3 0
3 years ago
A box is pulled 6 meters across the ground at a constant velocity by a horizontally applied force of 50 newtons. At the same tim
Vikentia [17]

Answer:

(a) Friction force = 50 N

(b) Work done by friction = 300 j

(c) Net work done = 0 j

Explanation:

We have given that the box is pulled by 6 meter so d = 6 m

Force applied on the box F = 60 N

We have have given that velocity is constant so acceleration will be zero

So to applied force will be utilized in balancing the friction force

So friction force F_{friction}=50N

Work done by friction force W_{friction}=F_{friction}\times d=50\times 6=300j

Work done by applied force W=F\times d=50\times 6=300j

So net work done = 300-300 = 0 j

7 0
3 years ago
Which of the following is not a valid conversion factor?
kykrilka [37]
The third option is wrong
8 0
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How tall does a male gets
sesenic [268]

Answer:

5.6ft

Explanation:

on avgerage a male gets 5 foot 6 inches

8 0
3 years ago
Read 2 more answers
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