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
krek1111 [17]
3 years ago
14

2. A book with a mass of 2 Kg is resting on a shelf 1.5 m off the floor. How much gravitational

Physics
2 answers:
jeka943 years ago
6 0

i hope this helps.......

kobusy [5.1K]3 years ago
4 0

Answer:

Book of mass 2 kg is lifted from floor to the table. The height between floor and the table is 1.5 m. Calculate the work done by gravitational force.

You might be interested in
Relationship between oceanography and cryosphere
rosijanka [135]
<span>Oceanography is the study of the ocean and the cryosphere are the portions of the earth that are just frozen water (ice). When fresh water glaciers melt, they lower the salt levels in the ocean and and oceanographer studies that and makes sure that it wont have too much of an effect. The cryosphere plays a significant role in the global climate. </span>
3 0
3 years ago
Pleaseeee help!!!!!!!!
ioda
I believe the answer is C. Positive, since it is a sustainable plan to use a renewable source hope this helps :)
4 0
3 years ago
3. Hahn determined that barium (atomic number 56) was one of the elements created when a uranium atom (atomic number 92) split .
creativ13 [48]

According to a periodic table, Krypton was created during the fission of Uranium.

<h3>What is the atomic number?</h3>

<em>Atomic</em> number is a characteristic associated with an element and indicates its number of protons, when a fision occurs, the total number protons is conserved.

Thus, the fission of uranium is led by two elements with <em>atomic</em> numbers 56 and 36. According to a periodic table, those <em>atomic</em> numbers are associated to elements Barium (Ba) and Krypton (Kr), respectively.

According to a periodic table, Krypton was created during the fission of Uranium. \blacksquare

To learn more on fission, we kindly invite to check this verified question:  brainly.com/question/6572079

8 0
2 years ago
Explain what happens to light when it is refracted at the surface of water.
stepan [7]
Light will make the object appear “broken” or in an irregular shape.

Refraction is the change in direction of waves.
6 0
3 years ago
Read 2 more answers
During your summer internship for an aerospace company, you are asked to design a small research rocket. The rocket is to be lau
Viktor [21]

Answer:

6.75 seconds

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration = 16 m/s²

g = Acceleration due to gravity = 9.81 m/s²

Let y be the distance the rocket is accelerating

960-y is the distance traveled in free fall

v^2-u^2=2as\\\Rightarrow v=\sqrt{2as+u^2}\\\Rightarrow v=\sqrt{2\times 16\times y+0^2}\\\Rightarrow v^2=32y\ m/s

In free fall

v^2-u^2=2g(960-y)\\\Rightarrow 0-32y=2g(960-y)\\\Rightarrow -32y=2\times -9.81(960-y)\\\Rightarrow 960-y=\dfrac{-32}{2\times -9.81}y\\\Rightarrow 960-y=1.63098878695y\\\Rightarrow 960=2.63098878695y\\\Rightarrow y=\dfrac{960}{2.63098878695}\\\Rightarrow y=364.881828749\ m

The distance the rocket will keep accelerating is 364.881828749 m

After which it will travel 960-364.881828749 = 595.118171251 m in free fall

s=ut+\frac{1}{2}at^2\\\Rightarrow 364.881828749=0t+\frac{1}{2}\times 16\times t^2\\\Rightarrow t=\sqrt{\frac{364.881828749\times 2}{16}}\\\Rightarrow t=6.75353452598\ s

The time the rocket is accelerating is 6.75 seconds

5 0
3 years ago
Other questions:
  • How do the weights of the tug of war teams affect the match
    6·2 answers
  • Why does a coastal area have less variation in temperature than a noncoastal area
    12·1 answer
  • A student is measuring the circumferences of pine trees for an experiment.
    8·1 answer
  • All life on earth exists in a region known as
    14·1 answer
  • In the javelin throw at a track-and-field event, the javelin is launched at a speed of 29 m/s at an angle of 36???? above the ho
    6·1 answer
  • Any projectile always has a constant vertical acceleration of _______.
    15·1 answer
  • An object weighs 55.54 newtons. What is its mass if a gravitometer indicates that g = 9.83 m/s2?
    9·1 answer
  • In a game of tug of war, a rope is pulled by a force of 182 N to the right and by a force of 108 N to the left. Calculate the ma
    5·1 answer
  • The Minnesota Wild's Jared Spurgeon unloads a slapshot that imparts a force of 65 Newtons of a puck. What is the force that the
    15·1 answer
  • How can we measure electromotive force of a battery illustrated answer with the help of circuit diagram
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!