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
mr Goodwill [35]
2 years ago
11

Which of the following statements is true? Communicable diseases cannot be transmitted by nonliving objects. Sexually transmitte

d diseases are spread by direct contact with bodily fluids. Gastrointestinal diseases are usually transmitted by infected water droplets in the air. The best prevention against communicable diseases is over-the-counter medication.
Physics
2 answers:
Lemur [1.5K]2 years ago
4 0

Answer:

Sexually transmitted diseases are spread by direct contact with bodily fluids.

Explanation:

if you have a disease you can give it to someone by having sex because your fluids go into or either combine

Zanzabum2 years ago
3 0

Answer:

B

Explanation:

You might be interested in
A solid block of mass m2 = 1.14 kg, at rest on a horizontal frictionless surface, is connected to a relaxed spring (with spring
borishaifa [10]

Answer:

v = 1 m/s

Explanation:

from the principle of conservation of momentum, we have following relation

initial momentum = final momentum

m_{1}v_{1}+m_{2}v_{2} = (m_{1}+m_{2})v^{2}

where

m1 = 1.14 kg

v1 = 2.0 m/s

m2 = 1.14 kg

v2  = 0 m/s

putting all value in the above equation

1.14 *2.0+ 0 =(1.14+1.14)v^{2}

v =\frac{1.14*2.0}{1.14+1.14}

v = 1 m/s

4 0
3 years ago
An inflatable raft (unoccupied) floats down a river at an approximately constant speed of 5.6 m/s. A child on a bridge, 71 m abo
saveliy_v [14]

Answer:

21.28 m

Explanation:

height, h = 71 m

velocity of raft, v = 5.6 m/s

let the time taken by the stone to reach to raft is t.

use second equation of motion for stone

h = ut + \frac{1}{2}at^{2}

u = 0 m/s, h = 71 m, g = 9.8 m/s^2

71 = 0 + 0.5 x 9.8 x t^2

t = 3.8 s

Horizontal distance traveled by the raft in time t

d = v x t = 5.6 x 3.8 = 21.28 m

3 0
2 years ago
Which best describes why Keplers observation of planetary motion is a law instead of a theory
svet-max [94.6K]

Kepler's first law - sometimes referred to as the law of ellipses - explains that planets are orbiting the sun in a path described as an ellipse. An ellipse can easily be constructed using a pencil, two tacks, a string, a sheet of paper and a piece of cardboard. Tack the sheet of paper to the cardboard using the two tacks. Then tie the string into a loop and wrap the loop around the two tacks. Take your pencil and pull the string until the pencil and two tacks make a triangle (see diagram at the right). Then begin to trace out a path with the pencil, keeping the string wrapped tightly around the tacks. The resulting shape will be an ellipse. An ellipse is a special curve in which the sum of the distances from every point on the curve to two other points is a constant. The two other points (represented here by the tack locations) are known as the foci of the ellipse. The closer together that these points are, the more closely that the ellipse resembles the shape of a circle. In fact, a circle is the special case of an ellipse in which the two foci are at the same location. Kepler's first law is rather simple - all planets orbit the sun in a path that resembles an ellipse, with the sun being located at one of the foci of that ellipse.


5 0
3 years ago
Read 2 more answers
A paper airplane used to study wing designs is an example of a ?
kow [346]
Model I'm guessing. Coz that's using an object to explain
7 0
3 years ago
Read 2 more answers
URGENT
Gemiola [76]

Answer:

5.25 J

Explanation:

W = PE = (f)(x)

PE = 35N*0.15m

PE = 5.25 N*m

1 N*m = 1 J

PE = 5.25 J

7 0
2 years ago
Other questions:
  • If we rotate on our axis does that count as a day
    7·1 answer
  • A daring 510N swimmersdives off a cliff with a running horizontal lead.what must be her mimimum speed just as she leaves the top
    6·2 answers
  • a 0.05-kg starts from rest at a height of 0.95m. assuming no friction, what is the kinetic energy of the car when it reaches the
    7·1 answer
  • 100 POINTSSSS PLEASE HELP
    15·2 answers
  • A car traveling at 30 m/s drives off a cliff that is 50 meters high? How far away does it land?
    7·1 answer
  • Nancy rides her bike with a constant
    15·1 answer
  • A sound wave increases in pitch. Which of the following changes has occurred?
    10·1 answer
  • How much energy would be needed for a 100kg body to escape from the earth?radius of earh=6400 km
    15·1 answer
  • True / False
    10·2 answers
  • suppose the circumference of a bicycle wheel is 2 meters. if it rotates at 1 revolution per second when you are riding the bicyc
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!