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
oksano4ka [1.4K]
3 years ago
5

Kamala puts on inline skates and stands facing a wall. When she pushes against the wall, she rolls backward. Why does pushing ha

rder make her roll faster?
Physics
2 answers:
Dafna1 [17]3 years ago
7 0
The more force you put in it the farther it will go
nlexa [21]3 years ago
6 0

Answer:

As per Newton's III law every action has equal and opposite reaction.

Explanation:

When Kamala apply force on the wall then equal and opposite force is applied by the wall on Kamala

Due to this reaction force of the wall Kamala moves on her skates in backward direction

Now if Kamala push the wall hard then the reaction force on kamala will be more in magnitude due to which she will roll backward will greater speed as we know that

F = ma

if the reaction force is more then the acceleration will be more so Kamala will roll backward with greater speed

You might be interested in
How much work is needed to stretch this spring a distance of 5. 0 cm , starting with it unstretched?
densk [106]

The work done by the unstretched spring is 5 J.

<h3>What is the Hooke's law?</h3>

Hooke's law states that the extension of a given material is directly proportional to the force applied as log as the elastic limit is not exceeded. Thus we have to know that; F = Ke

F = force applied

K = force constant

e = extension

Using the graph;

K = F/e

F = 200N

e = 5 cm or 5 * 10^-2 m

K = 200N/ 5 * 10^-2 m

K = 4000 N/m

Now;

Work = 1/2Ke^2

Work = 0.5 *  4000 N/m * (5 * 10^-2 m)^2

Work = 5 J

Learn more about Hooke's law:brainly.com/question/13348278

#SPJ1

6 0
2 years ago
NO ONE WILL HELP ME!!! IT'S MULTIPLE CHOICE!!! PLEASE HELP!!!
mario62 [17]
I think the first one is 40*40
8 0
4 years ago
Read 2 more answers
Help fill in the blanks please
vampirchik [111]
..because the energy put in to making bonds is greater than the energy given back from breaking bonds.
The exothermic part of the reaction is greater than the endothermic part.
8 0
3 years ago
A scientist carries out an experiment. How could she help other scientists judge the validity of her results?
NNADVOKAT [17]
One way to do it is she could right down the data that she got
4 0
3 years ago
Read 2 more answers
Calculate the change internal energy (δe) for a system that is giving off 45.0 kj of heat and is performing 855 j of work on th
adelina 88 [10]
The change in internal energy of a system is given by (second law of thermodynamics)
\Delta U = Q + W
where Q is the heat absorbed by the system and W is the work done on the system.

In order to correctly evaluate the internal energy change, we must be careful with the signs of Q and W:
Q positive -> Q absorbed by the system
Q negative -> Q released by the system
W positive -> W done on the system by the surroundings
W negative -> W done by the system on the surroundings

In our problem, the heat released by the system is Q=-45 kJ=-45000 J (with negative sign since it is released by the system), and the work done is W=-855 J still with negative sign because it is performed by the system on the surrounding, so the change in internal energy is
\Delta U = Q +W=-45000 J - 855 J=-45855 J
3 0
3 years ago
Other questions:
  • A solenoid of length 0.250 m and radius 0.0250 m is comprised of 440 turns of wire. Determine the magnitude of the magnetic fiel
    10·2 answers
  • (a) You short-circuit a 20 volt battery by connecting a short wire from one end of the battery to the other end. If the current
    14·1 answer
  • Which of the following elements is a metalloid?
    6·1 answer
  • Question 26 suppose that a constant force is applied to an object. newton's second law of motion states that the acceleration of
    10·1 answer
  • How much heat is givne out when 6.0g of water freezes at 0 degrees celcius the heat of fusion of water is 80.0 cal/g?
    5·1 answer
  • How many neutrons does Krypton (Kr) have?
    9·2 answers
  • A motorcyclist travels around a curved path that has a radius of 350 ft. While traveling around the curved path, the motorcyclis
    9·1 answer
  • Easy science question please help. Will give brainliest
    8·2 answers
  • Define infer in science.
    12·1 answer
  • 5.Whether he attends the party or not, I have decided to go. ( it is English find it is a dependent clause or phrase underline t
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!