When an object is not moving, POTENTIAL ENERGY is stored.
If ozone layer is completely removed then many severe effects can be seen in the temperature of the earth.
- The ice in the Antarctica starts getting melt which increases the level of water in ocean and proved to be harmful for the coastal areas.
- The rise in temperature also lead to long summers and high temperatures ranges from 50° C to 65° C .
Explanation:
The removal of ozone layer will not only effect the temperature but also had a great impact on human and animals such as
- The harmful rays will directly fall on earth in the absence of ozone cause cancer in animals, plants and humans.
- These harmful rays weaken the immune system.
- Lead to disturbance of food chain in following ways : -
- It will led to increase in herbivores as a result, the number of plants will decrease and the amount of oxygen will also decrease in the atmosphere.
- The carnivores keep the population of other carnivores and herbivores in check. This will disturb the balance of ecosystem.
- The concentration of harmful chemicals is maximum at the last trophic level . Because these chemicals are not degradable, these get accumulated progressively at each trophic level.
Answer:
400N
Explanation:
If you have 2 forces (200N) and (200N) pushing an object the same direction in a one dimensional force vectors, the answer would be 400N
Okay so static friction is when the atoms lock themselves into place, which makes it 'hard' to push until you exceed its static force.
You can calculate the Fs by finding your normal force and multiplying it by your static friction force.
N = mg = (9.8)(42) = 411.6 N
Fs = NKs = (411.6)(0.75) = 308.7
a) the maximum force of static friction between her socks and the floor is 308.7 N
b) If you push Mazie with a force of 350 she will slide. She will accelerate if you keep pushing her with the constant force, but if you push her and let go the kinetic friction will eventually bring her to a stop.
c) So this is an interesting question, she's going at a speed of 0.6 m/s. Kinetic friction is pushing her back so theres a negative force which is the force of kinetic friction right. So its NKf = (411.6)(0.62) = 255.192.
Answer:
113.53 g
Explanation:
Please see attached photo for explanation.
In the attached photo, M is the mass of the meter stick.
The value of M can be obtained as shown below:
Clockwise moment = M × 10.5
Anticlockwise moment = 65.5 × 18.2
Anticlockwise moment = Clockwise moment
65.5 × 18.2 = M × 10.5
1192.1 = M × 10.5
Divide both side by 10.5
M = 1192.1 / 10.5
M = 113.53 g
Thus, the mass of the meter stick is 113.53 g