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
MArishka [77]
3 years ago
13

PLZ HELP NOW

Physics
1 answer:
ZanzabumX [31]3 years ago
4 0

Answer: mass x height x gravitational field strength (g)

note: gravitational field strength (g) = 10 N/Kg

55 x 15 x 10 = 8250

gpe = 8250j

Explanation:

You might be interested in
A 16.0 kg child on roller skates, initially at rest, rolls 2.0 m down an incline at an angle of 20.0° with the horizontal. If th
enyata [817]

The kinetic energy of the child at the bottom of the incline is 106.62 J.

The given parameters:

  • <em>Mass of the child, m = 16 kg</em>
  • <em>Length of the incline, L = 2 m</em>
  • <em>Angle of inclination, θ = 20⁰</em>

The vertical height of fall of the child from the top of the incline is calculated as;

sin(20) = \frac{h}{2} \\\\h = 2 \times sin(20)\\\\h = 0.68 \ m

The gravitational potential energy of the child at the top of the incline is calculated as;

P.E = mgh\\\\P.E = 16 \times 9.8 \times 0.68\\\\P.E = 106.62 \ J

Thus, based on the principle of conservation of mechanical energy, the kinetic energy of the child at the bottom of the incline is 106.62 J since no energy is lost to friction.

Learn more about conservation of mechanical energy here: brainly.com/question/332163

7 0
2 years ago
Which line represents a stationary object?
sineoko [7]

Answer:

I think its B but I may be wrong

3 0
3 years ago
Read 2 more answers
PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer this correctly!!!! (60pts)
mr Goodwill [35]
The density of an object determines whether it will float or sink in another substance. An object will float if it is less dense than the liquid it is placed in. An object will sink if it is more dense than the liquid it is placed in.
So since the boat has a lower density than the water, it will float.
So the answer is choice B
3 0
2 years ago
****PLEASE HELP**** THERE ARE TWO QUESTIONS (ITS EASY)
notka56 [123]

but I think it's a and f

and

b and e

3 0
2 years ago
As altitude increases in the troposphere and stratosphere, the air temperature does what?
natima [27]

Answer:

1

Explanation:

3 0
3 years ago
Other questions:
  • An airplane is traveling 835km/h in a direction 41.5 west of north. Find the components of the velocity vector in the northerly
    7·1 answer
  • PLZ!!!!!HURRY WILL BE FRIEND FOREVER!!!
    6·1 answer
  • A box is pushed across a horizontal table at constant speed. Of the forces on it, which pair do we know are equal in magnitude b
    14·1 answer
  • What is a compound?
    15·1 answer
  • a) When we were examining the Electromagnetic Tab, we saw that a flow of electrons or a current as we say it, creates a magnetic
    15·1 answer
  • Pilots can be tested for the stresses of flying high-speed jets in a whirling "human centrifuge," which takes 1.2min to turn thr
    11·2 answers
  • 3V battery is used with a 15 ohm resistance.What is the current?
    9·1 answer
  • A scientist is trying to determine whether a newly observed phenomenon can be described as a wave. Which of the following questi
    10·1 answer
  • Urippe Went to start his lawnmower and was having trouble. At the same moment, Uwi was starting her identical lawnmower in the y
    11·1 answer
  • What is the acceleration of a 2kg object that experiences 75N of force?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!