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
sasho [114]
4 years ago
11

A scientific idea becomes valid when it is

Physics
1 answer:
SIZIF [17.4K]4 years ago
7 0

Answer:

are adopted when they usefully describe the world. evidence

Explanation:

A scientific idea is validated when it is published in the peer-reviewed literature in the field, has stood up to further tests, and has been positively cited.

You might be interested in
5. If Joe spend 250 W power to lift a box weighing 25.5 kg in 3.0 s, how high did he lift the box?
Serjik [45]

Answer:

3m

Explanation:

p=250w

m=25.5

t=3.0s

D=x

F=mxa   F= 25.5kg x 9.8m/s^2 =250N

D= 250wx3.0s/250w

3m

5 0
3 years ago
Help! series circuit practice, I'm not sure what formula to use.
notka56 [123]

Answer:

RT=R1+R2+R3

Explanation:

5 0
3 years ago
The wavelength of a waterwave is 4.0 X 10^2 m. The wave approaches land at 25 m/s what is the period of the wave?
Elodia [21]
The right answer is 72
3 0
3 years ago
4. An object moves in a circular path at a constant speed. Compare the direction of the object’s velocity and acceleration vecto
Vikentia [17]

Answer:

Option C

The vectors are perpendicular

Explanation:

Acceleration will be directed towards the center for uniform circular motion. Consequently, velocity of the object increases hence acceleration. The direction of velocity is tangent to its circular motion, therefore, tangential velocity vector is perpendicular to centripetal acceleration vector. Therefore, comparing the direction of the object, the vectors are perpendicular to each other.

4 0
3 years ago
The 6 kg block is then released and accelerates to the right, toward the 4 kg block. The surface is rough and the coefficient of
KatRina [158]

Answer:

v =3.41 m/s

Explanation:

given,

mass of block 1 = 6 Kg

mass of another block 2 = 4 Kg

coefficient of friction = 0.3

Assuming 6 Kg block is attached to the spring of spring constant 350 N/m

and distance between the two block is equal to 0.5 m

using formula

U = \dfrac{1}{2}kx^2

U = \dfrac{1}{2}\times 350 \times 0.5^2

   U = 43.75 J

using conservation of energy

 KE = U - f.d

where f is the frictional force acting

\dfrac{1}{2}mv^2 = 43.75- \mu m g d

\dfrac{1}{2}\times 6 \times v^2 = 43.75- 0.3\times 6 \times 9.8 \times 0.5

v= \sqrt{11.643}

       v =3.41 m/s

4 0
4 years ago
Other questions:
  • The property of a moving object to continue moving is what galileo called
    5·1 answer
  • A system initially has an internal energy E of 501 J. It undergoes a process during which it releases 111 J of heat energy to th
    12·1 answer
  • When you explain a solar eclipse, waht are you making/doing?
    7·1 answer
  • More recent findings of children with exceptionally high IQs _
    6·1 answer
  • At what points in the model do the cars have maximum and minimum gravitational potential energy?
    11·1 answer
  • A driver starts is parked car and within 5 seconds reaches a speed of 60km/h, as he travels east. What his acceleration?
    6·1 answer
  • Which term describes energy stored inside the nucleus of an atom?
    10·1 answer
  • If the car falls down the side of the cliff, what is happening to the gravitational potential energy of the falling car? (Assume
    10·1 answer
  • Dimension of force of gravity is​
    10·1 answer
  • How do you explain this arrangement of fossils? What might have happened?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!