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
Maksim231197 [3]
3 years ago
9

Kelly Clarkson is running between the Patronas towers in Kuala Lumpur on a tightrope at a speed of 15 m/s. Kelly currently weigh

s 79 kg. What is her KE?
Physics
2 answers:
Tomtit [17]3 years ago
8 0

KE = 8887.5 J

<h3>Further explanation</h3>

Given

speed = 15 m/s

weight = 79 kg

Required

KE-Kinetic energy

Solution

Energy is the ability to do work  

Energy because its motion is expressed as Kinetic energy (KE) which can be formulated as:  

\large {\boxed {\bold {KE = \frac {1} {2} mv ^ 2}}}

Input the value :

KE = 1/2 x 79 kg x 15² m/s²

KE = 8887.5 J

Margaret [11]3 years ago
7 0

Answer:

KE = 8887.5 J

You might be interested in
If a bottlel filled with water 25c and freezes at -5c the waters tempreture drop what is the sign of the systems q,w,ΔE
laila [671]
Triangle because h2o and celsious have yhree silibyles and the triangle has three sides
6 0
2 years ago
Mandy is testing an unknown solution to determine whether it is an acid or a base. She places a piece of red litmus paper into t
Marina CMI [18]
The solution is a base
5 0
2 years ago
Calculate the de Broglie wavelength of a 0.56 kg ball moving with a constant velocity of 26 m/s (about 60 mi/h)
PilotLPTM [1.2K]

The de Broglie wavelength of a 0.56 kg ball moving with a constant velocity of 26 m/s is 4.55×10⁻³⁵ m.

<h3>De Broglie wavelength:</h3>

The wavelength that is incorporated with the moving object and it has the relation with the momentum of that object and mass of that object. It is inversely proportional to the momentum of that moving object.

λ=h/p

Where, λ is the de Broglie wavelength, h is the Plank constant, p is the momentum of the moving object.

Whereas, p=mv, m is the mass of the object and v is the velocity of the moving object.

Therefore, λ=h/(mv)

λ=(6.63×10⁻³⁴)/(0.56×26)

λ=4.55×10⁻³⁵ m.

The de Broglie wavelength associated with the object weight 0.56 kg moving with the velocity of 26 m/s is λ=4.55×10⁻³⁵ m.

Learn more about de Broglie wavelength on

brainly.com/question/15330461

#SPJ1

6 0
1 year ago
Given that an electric field of 3×106V/m3×106V/m is required to produce an electrical spark within a volume of air, estimate the
Andre45 [30]

Answer:

Length, l = 33.4 m

Explanation:

Given that,

Electrical field, E=3\times 10^6\ V/m

Let the electrical potential is, V=10^8\ V

We need to find the length of a thundercloud lightning bolt. The relation between electric field and the electric potential is given by :

V=E\times d\\\\d=\dfrac{V}{E}\\\\d=\dfrac{10^8}{3\times 10^6}\\\\d=33.4\ m

So, the length of a thundercloud lightning bolt is 33.4 meters. Hence, this is the required solution.

5 0
3 years ago
Of gold, oxygen, iron, and sulfur, which is a renewable source?
Ulleksa [173]
Oxygen bc plants go through photosynthesis which keeps producing more oxygen
6 0
3 years ago
Read 2 more answers
Other questions:
  • If a system absorbs heat and also does work on its surroundings its energy
    8·1 answer
  • Gabriella got a burn on her arm from a chemical spill and rinsed the area thoroughly with water. Which piece of safety equipment
    8·2 answers
  • Desiree has a scientific question that she wants to investigate. She has developed a hypothesis and method for her experiment. W
    11·2 answers
  • A boat having a length 3m and breadth 2m is floating on a
    12·1 answer
  • What is the formula for acceleration? ( PLEASE HELP! ALSO IF YOU GET B IT'S WRONG BECAUSE I ALREADY PUT THAT AND IT WAS WRONG so
    13·1 answer
  • Explain the difference between cool air and warm air
    12·1 answer
  • Which statement is true for objects in dynamic equilibrium?
    14·2 answers
  • Which takes more energy, going from 0 to 30, or from 30 to 60?
    6·1 answer
  • Which type of electricity moves along a pathway to turn on a light?
    12·1 answer
  • A test charge gains 10 joules of potential energy as it moves through an electric field. It starts its movement at point 1 and e
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!