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
Dahasolnce [82]
3 years ago
15

A 66.0−kg short-track ice skater is racing at a speed of 10.0 m/s when he falls down and slides across the ice into a padded wal

l that brings him to rest. Assuming that he doesn't lose any speed during the fall or while sliding across the ice, how much work is done by the wall while stopping the ice skater?
Physics
1 answer:
dexar [7]3 years ago
7 0

Answer:

3300J

Explanation:

Work done is the energy that is lost by the skater

Formula for workdone = 1/2*mV^2

m = 66kg

V = 10m/s

Work done = 1/2 * 66 * 10^2

= 3300J

You might be interested in
The frequency of a certain sound is 440 Mz. What is the wavelength of this sound when the temperature of the air is (a) 20°C; (b
Serggg [28]

Answer:

Explanation:

We know the frequency and the velocity, both of which have good units. All we have to do is rearrange the equation and solve for

λ

:

λ

=

v

f

Let's plug in our given values and see what we get!

λ

=

340

m

s

440

s

−

1

λ

=

0.773

m

3 0
2 years ago
What order shows increasing frequency for gamma rays, microwaves, visible light, and X-rays?
sergejj [24]

Answer:

Person above me is right, it's B: microwaves, visible light, X-rays, gamma rays

Explanation:

6 0
2 years ago
Please help me someone !
san4es73 [151]

Answer:

The object is moving at constant speed.

Explanation:

The spaces between the dots are equal.

7 0
3 years ago
Escribe un listado de 5 acciones que promueven la interculturalidad y la inclusión ​
allochka39001 [22]

de mategoloalterfsqol

6 0
2 years ago
To escape from a horrible fire, two people are forced to jump from the third story of a burning building onto solid concrete. Wh
erica [24]
The bouncing person because the bounce helped him survive
8 0
3 years ago
Other questions:
  • A 675-pound trailer is sitting on an exit ramp inclined at 40o on Highway 35. How much vertical force is required to keep the tr
    10·1 answer
  • A block of mass m1 = 3.5 kg moves with velocity v1 = 6.3 m/s on a frictionless surface. it collides with block of mass m2 = 1.7
    6·1 answer
  • A 12-inch object is placed 30 inches in front of a plane mirror. A ray of light from the object strikes the mirror at a 45-degre
    5·2 answers
  • Hi :) In a pendulum experience , what affects the period & explanation too? Thank you sm :))
    11·1 answer
  • The speedometer of a car moving east reads 60 mph. It passes another car that travels west at 60 mph do the cars have the same v
    9·1 answer
  • What is the physical quantity in which force is divide by area called​
    9·1 answer
  • A jet makes a landing traveling due east with a speed of 120 m/s .
    10·1 answer
  • Two obiect accumulated a charge of
    9·1 answer
  • AB<br> ca<br> The trough of a transverse wave is BEST shown by choice<br> es - )<br> 8<br> 8
    8·1 answer
  • E<br> 3.6 What force is needed to give a mass of<br> 20 kg an acceleration of 5 m/s??
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!