A skydiver jumps out of a hovering helicopter, so there is no forward velocity. Ignore wind resistance for this exercise. 1. What is the skydiver's acceleration
Answers
Answer:
Explanation:
As we know that there is no wind resistance on the skydiver
so when he jumps out of the helicopter then in that case the net force on the diver will be due to gravity only
so his equation for force is given by
now from the Newton's law of motion we will have
from the given options we will have
so the acceleration is
Initially, like any falling object, a skydiver's downward acceleration is 9.8 meters/seconds^2, or about 28-35 feet per second squared. This acceleration reduces over a few seconds and approaches zero as the skydiver reaches terminal velocity.
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Answers
Answer:
Newton's second Law states that an object's acceleration is directly related to the net force applied and inversely related to the mass of the object.
Explanation:
Newton's second law states that when force is applied on an object, then it causes acceleration which is directly dependent on the net force applied and varies inversely with the mass of the object.
This law gives us the following equation:
where represents net force applied,
represents mass of the object and
represents acceleration caused.
The above equation can be rearranged to:
This equation shows that acceleration is directly dependent on net force and inversely dependent on mass of the body.
Answer:
second - apex
Explanation:
What is the final speed of the car after this work is performed?
Answers
Answer:
9.43 m/s
Explanation:
The law of conservation of energy requires that the total energy before and after transformation must be equal. Kinetic energy of car and rocket combined equals the parachute energy and that of car.
Final energy of car will be 66120-36733=29,387 J
Kinetic energy, and making v the subject of the formula then
Where m is the mass and v is velocity.
Substituting 29387 J for KE and 661 kg for m then
a)it is in effect some of all time
b)it is in effect all the time
c)it changes over time
d)it operates under specific conditions
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Hope it helps you :)
Answers
Final answer:
Scientists use analysis methods when developing new technology to enhance effectiveness and guide future research. This process involves using models, theories, laws, and analytical techniques to interpret data and test hypotheses, leading to continuous advancements across various fields.
Explanation:
Scientists use analysis methods when developing new technology to ensure the accuracy, efficiency, and effectiveness of their designs. The analytical process includes the use of models, theories, and laws to help interpret the data collected and guide future research directions. New technologies, such as mass spectrometry in protein analysis or enhanced microscopy techniques in physics, rely heavily on these analysis methods for progress and innovation.
Additionally, the process of testing and refining a hypothesis through experimentation and data analysis is at the heart of scientific inquiry. This systematic approach feeds into the development of new technology, contributing to the accuracy and reliability of the findings. Upon analyzing the results, scientists formulate new ideas that push the envelope of what is technologically possible.
Lastly, advancements in technology, whether they be in the realm of hardware or software, often drive discoveries in other fields. For example, breakthroughs in engineering have often led to significant developments in biology and chemistry. Therefore, the use of analysis methods in the development of new technology is not only crucial for the enhancement of the technology itself but also for its subsequent impact on other disciplines.
Learn more about Analysis Methods in New Technology here:
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Answers
common denominator
J 5:4=35:28 and B 12:7 =48:28
B wins
Thermal energy is the total potential energy of the particles in a substance. The lake is larger, so it contains more total particles than the swimming pool. The thermal energy of a lake is greater than a swimming pool because the lake is larger.
B.
Thermal energy is the total kinetic energy and potential energy of the particles in a substance. The lake is larger, so it contains more total particles than the swimming pool. The thermal energy of a lake is greater than a swimming pool because the lake is larger.
C.
Thermal energy is the total kinetic energy of the particles in a substance. The lake is more spread out, so it contains fewer total particles than the swimming pool. Therefore, the thermal energy of a lake is less than that of a swimming pool.
D.
Thermal energy is the total potential energy of the particles in a substance. The lake is more spread out, so it contains fewer total particles than the swimming pool. Therefore, the thermal energy of a lake is less than that of a swimming pool.
i think it is B, but can someone help me if im correct or not?