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
const2013 [10]
3 years ago
12

Why is it more comfortable to fall onto a big pillow than onto a wooden floor ?

Physics
1 answer:
alexandr402 [8]3 years ago
6 0

I believe the answer to this question is C. The pillow distributes the decelerating force over a greater amount of time .

sudden stops are damaging, not the fall itself.

When falling on a mat it will take longer since a smaller force=longer falling time

when falling on a wooden floor it will take shorter since a larger force=smaller falling time

Hence, if the sudden fall is what causes impact and discomfort, and a smaller force equals longer falling time, and a larger force equals shorter falling time and smaller falling time equals less impact, then, C. must be the answer.

You might be interested in
A spring with a rest length of 0.7 m has a spring constant of 70 N/m. It is stretched and now has a length of 2.5 m. What is the
pentagon [3]

Answer:

<em>113.4 J</em>

Explanation:

<u>Elastic Potential Energy</u>

Is the energy stored in an elastic material like a spring of constant k, in which case the energy is proportional to the square of the change of length Δx and the constant k.

\displaystyle PE = \frac{1}{2}k(\Delta x)^2

The spring has a natural length of 0.7 m and a spring constant of k=70 N/m. When the spring is stretched to a length of 2.5 m, the change of length is

Δx = 2.5 m - 0.7 m = 1.8 m

The energy stored in the spring is:

\displaystyle PE = \frac{1}{2}70(1.8)^2

PE = 113.4 J

7 0
3 years ago
Why a drop of spirit on the hand feels colder than a drop of water at the same temperature​
brilliants [131]

Answer:

This is because spirit has a lower boiling point when compared to water

Explanation:

spirit has a lower boiling point when compared to water which means it has the capacity to pull more heat from your hand and also it can do this very fast. This is why our hand feels colder.

5 0
2 years ago
A net force of 79 N causes a mass to accelerate at a rate of 3 m/s2. Determine the mass
zmey [24]
Force= mass x acceleration

79=mass(3)

m=79/3

m=26.3 kg
4 0
3 years ago
How many times is larger than a centigram is a dekagram
S_A_V [24]
A decagram is 1000 times bigger than a centigram
8 0
3 years ago
Explain the relationship between motion and frame of reference.
elena-14-01-66 [18.8K]
Force is the agent which causes a change in the velocity of an object and thereby to acellerate it inertia on he other hand is a property which realtes to an intrinsic of a body  to resist any change in its state rest or of emotion uniform or non uniform 

6 0
3 years ago
Other questions:
  • How can I change my Brainly username?
    5·2 answers
  • A Ferris wheel on a California pier is 27 m high and rotates once every 32 seconds in the counterclockwise direction. When the w
    10·1 answer
  • 14.0 m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes a 65.0°-angle with the horizontal. (a)
    6·1 answer
  • If 143 joules of work are needed to move a box 9 meters, what force was used?
    13·2 answers
  • Two uniform solid spheres of the same size, but different mass, are released from rest simultaneously at the same height on a hi
    14·1 answer
  • If a car has a mass of 4000 kg and the force applied to it is 10000 N. What is its acceleration?
    8·1 answer
  • Abdou was explaining to a classmate that graphite is a good lubricant because it is bonded in layers that easily slip over each
    13·2 answers
  • A sound wave traveling in water at 144m/s has a wavelength of 0.5m determine the frequency of the wave
    6·2 answers
  • James went to the doctor for a check-up and found his weight to be 1,000 N. How much mass does James have?
    7·1 answer
  • An electric hoist does 56,447 J of work in raising 115 kg load. How high (in meters) was the load lifted?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!