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
egoroff_w [7]
2 years ago
9

CAN SOMEONE PLEASE HELP ME!!!!! IM BEGGING YOU!!

Physics
1 answer:
murzikaleks [220]2 years ago
5 0
In my opinion the answer is B. Variation 
You might be interested in
Which of the following statements correctly describes the position of the intake and exhaust valves during most of the power sta
I am Lyosha [343]

Both valves are closed during the power stroke.

While the fuel is burning in the cylinder, you want
all the force of the expanding gases to push the
piston down ... you don't want any of the gases
or their pressure escaping. 

If either of the valves was open, even just a crack,
then part of the gases would go blooey out the valve,
and some pressure would be lost that's supposed to be
pushing the piston.

5 0
2 years ago
Read 2 more answers
If two children, with masses of 16 kg and 24 kg , sit in seats opposite one another, what is the moment of inertia about the rot
Elena-2011 [213]

Answer:

The moment of inertia about the rotation axis is 117.45 kg-m²

Explanation:

Given that,

Mass of one child = 16 kg

Mass of second child = 24 kg

Suppose a playground toy has two seats, each 6.1 kg, attached to very light rods of length r = 1.5 m.

We need to calculate the moment of inertia

Using formula of moment of inertia

I=I_{1}+I_{2}

I=(m+m_{1})\times r^2+(m+m_{2})\times r^2

m = mass of seat

m₁ =mass of one child

m₂ = mass of second child

r = radius of rod

Put the value into the formula

I=(16+6.1)\times(1.5)^2+(24+6.1)\times(1.5)^2

I=117.45\ kg-m^2

Hence, The moment of inertia about the rotation axis is 117.45 kg-m²

8 0
3 years ago
evaluate the force of a skateboard exerts on you if your mass is 60kg and you push on the skateboard with a force of 60N
Sav [38]
Every action has an equal or opposite reaction.
You weigh 60kg 
<span>So your acceleration is 6N / 60 kg = 0.1m/s^2</span>
6 0
3 years ago
Describe what it means if a chemical or physical property is periodic
vesna_86 [32]
It means that you consider the elements as a list organized by atomic number, the property is seen to repeat over and over as you move through that list.
6 0
3 years ago
Which of the following is a combustion reaction?
Nadya [2.5K]

Answer:

Option C

Explanation:

Hydrocarbon + Oxygen = Carbon dioxide + Water

is example of combustion reaction

6 0
2 years ago
Read 2 more answers
Other questions:
  • In the following diagram, the voltage is 1.5 volts and the resistance is 0.35 ohms. Use Ohm's Law to determine the current in th
    6·1 answer
  • the scientists tested a hypothesis on running in the rain performed only one controlled experiment that supported their hypothes
    5·1 answer
  • (a) The stick is supported by a sharp point at the middle. On the left side, a weight of 100 g is suspended at 40 cm from the mi
    12·1 answer
  • Coal as a fuel source led to the invention of
    11·1 answer
  • Mechanics is the study of
    7·1 answer
  • A way to charge insulators and conductors (the answer in 7 alphabets)
    11·1 answer
  • Which description explains the flow of heat? A. from cold to hot B. from hot to cold C. from cool to warm D. from cold to warm
    5·2 answers
  • How is a light wave likely to react when hitting a shiny opaque object?
    6·1 answer
  • If a body of mass 2 kg is moving with a velocity of 30 m/s, then
    10·1 answer
  • A ball resting on a roof 75 meters high has 1000 Joules of gravitational potential energy. Calculate the mass of the ball. (SHOW
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!