1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sveticcg [70]
3 years ago
7

The speed at which the package hits the ground is really fast! If a package hits the ground at such a speed, it can be crushed a

nd also cause some serious damage on the ground. Which of the following would help decrease the speed with which the package hits the ground?
Choose A or B

A) Increase the plane's speed and height

B) Decrease the plane's speed and height
Physics
1 answer:
Fed [463]3 years ago
7 0

Answer:

B. Decrease the plane’s speed and height

Explanation:

Decrease in speed of plane:

When the speed of the plane is decreased then initial velocity of the package will be lesser. As a result, final velocity will also be lesser because in this case final velocity depends upon the initial velocity.

Decrease in height:

According to law of conservation of energy:

Loss in potential energy = Gain in Kinetic energy  

                                 mgh = ½ mV^2

It means with the decrease in height less potential energy will be converted to kinetic energy. As package has constant mass so it will gain less velocity.

You might be interested in
If the moon were twice as far from years as it is now the following would be true
zubka84 [21]
The question is incomplete.

The distance between the Moon and Earth influences: 1) the attractive gravitational force between them, 2) the tides, 3) the eclipses, 4) the period of each full turn of the moon around the Earth.

Assuming the question refers to the gravitational attraction, we must use the fact that, as per, Newton's Universal Gravitaional Law, the attractive force between the two bodies is inversely related to the square distance that separates them.

Then, if the Moon were twice as far, the gravitational pull would be one fourth (1/4) of actual pull.

7 0
3 years ago
Which term below describes a measurement of how hard an object pushes against a surface?
Scilla [17]

I hope the answer is D. Pressure

8 0
2 years ago
Read 2 more answers
choose the correct anwer 9: the range of the gravitional force is given by A: 10_2m B:10_15m C: infinite D: 10_10m​
frosja888 [35]

Answer:

The answer is C

Explanation:

The magnitude of the gravitational force depends inversely on the square of the radial distance between the centers of the two masses. Thus, essentially, the force can only fall to zero, when the denominator that is r becomes infinite.

6 0
3 years ago
Which if the following statements is true? A. Instantaneous acceleration is always changing. B. An object at rest has an instant
ycow [4]
B is the right one

hope this helps you
3 0
3 years ago
Two angles are supplementary. The first angle measures 40°. What is the measurement of the second angle?
e-lub [12.9K]

Supplementary angles add up to 180°. 
If one is 40°, then the other is  (180° - 40°)  =  140° .

None of those choices describes a plane. 
Choice 'C' is the only example of a plane.

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is most likely the author’s motive for writing the article?
    12·2 answers
  • A. Telephone signals are often transmitted over long distances by microwaves. What is the frequency of microwave radiation with
    5·1 answer
  • If you had been traveling that fast and the light actually was yellow, what color would it have seemed to you?
    6·1 answer
  • Does your BMR increase decrease stay the same or dissapear as you age?
    10·1 answer
  • Light waves from the sun can be converted to electricity through __________.
    7·1 answer
  • a boy throw a ball upward from the top of a cliff 73m high.Calculate the time in which ball will fall on the ground and the velo
    6·1 answer
  • WILL GIVE BRAINLYST A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the g
    6·1 answer
  • Which statement about the water cycle is correct.
    6·1 answer
  • Derive an expression for the workdone by a torque?<br><br><br><br><br><br>​
    14·2 answers
  • A 500kg car is driven forward with a thrust force of 1500N. Air resistance and friction acts against the motion of the car with
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!