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
givi [52]
3 years ago
7

What force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s²?

Physics
1 answer:
lawyer [7]3 years ago
4 0

I really think it could be a 23 kg

You might be interested in
A fire helicopter carries a 580-kg bucket of water at the end of a 20.0-m long cable. Flying back from a fire at a constant spee
inn [45]

Answer:

F = 41,954 N

Explanation:

given,

mass of bucket = 580 Kg

length of the cable = 20 m

velocity = 40 m/s

angle made = 38.0°

T cos 38° = m g..............(1)

T sin 38^0 = \dfrac{mv^2}{l} + F......(2)

dividing equation (2) by (1)

tan 38^0 = \dfrac{\dfrac{mv^2}{l} + F}{mg}

tan 38^0 = \dfrac{\dfrac{580\times 40^2}{20} + F}{580 \times 9.81}

4445.36 = \dfrac{580\times 40^2}{20} + F

F = -46400 + 4445.36

F = -41,954 N

hence, the force is acting in the opposite direction as assumed.

F = 41,954 N

4 0
3 years ago
What unit is used to measure force?
jarptica [38.1K]

Answer:

a

b

a

d

9

Explanation:

6 0
3 years ago
Read 2 more answers
What is nuclear energy
irina1246 [14]
Nuclear energy <em>is t</em><span><em>he energy released during nuclear fission or fusion.

</em>
</span>
6 0
3 years ago
Read 2 more answers
Two identical loudspeakers are driven in phase by a common oscillator at 750 Hz and face each other at a distance of 1.24 m. Loc
Juli2301 [7.4K]

Answer:

0.2286  m,  0.686 m and  1,143 m

therefore we see that there is respect even where the intensity is minimal

Explanation:

Destructive interference to the two speakers is described by the expression

       Δr = (2n +1) λ/2

where r is the distance,  λ the wavelength and n an integer indicating the order of the interference

let's locate the origin on the left speaker

let's find the wavelength with the equation

        v =  λ f

         λ = v / f

we substitute

      Δr = (2n + 1) v / 2f

let's calculate for difference values ​​of n

     Δr = (2n +1) 343/(2 750)

     Δr = (2n + 1) 0.2286

we locate the different values ​​for a minimum of interim

    n     Δr (m)

     0    0.2286

     1     0.686

     2    1,143

therefore we see that there is respect even where the intensity is minimal

6 0
3 years ago
Please help if you have the time
Alex777 [14]

We know, length of segment wave is half the wavelength .

Let, wavelength of wave is \lambda.

So, length of segment will be \dfrac{\lambda}{2} .

Now, it is given that the string vibrates in four segments.

So,

L = 4\times \dfrac{\lambda}{2}\\\\L = 2\lambda\\\\\lambda = 1\ m

Speed can be given by :

speed = wavelength \times frequency\\\\speed = 1\times 120\  m/s\\\\speed = 120\ m/s

Therefore, the wave speed in the string is 120 m/s.

6 0
2 years ago
Other questions:
  • A box is given a push so that it slides across the floor. how far will it go given that the How far will it go, given that the c
    15·1 answer
  • Genetic information responsible for physical characteristics such as eye color, height, hair color, and skin color can be found
    10·1 answer
  • HELP ASAP!! WILL MARK BRAINLIEST
    15·2 answers
  • if a negatively charged rod is held near a neutral metal ball, the ball is attracted to the rod. this happens because
    13·1 answer
  • 6. An object accelerates from rest to 70 m/s in 3.5 s. What is the acceleration of the object?
    7·1 answer
  • An information technology director collected the names and locations of key vendors, current hardware configuration, names of te
    8·1 answer
  • Which object has the magnetic domains shown in the image?
    13·2 answers
  • If an atom has 15 protons, 12 neutrons, and 17 electrons, what is the atom's electrical charge? A. -5 B. -2 C. +3 D. +5
    9·1 answer
  • Explain the benefits of understanding sound waves properties in real life.
    11·1 answer
  • **100 points** PLEASE ANSWER IN 3 PARAGRAPHS
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!