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
Andrews [41]
3 years ago
11

A 0.5kg bird has a PE of 137.2 J. What height is its perch?

Physics
2 answers:
jekas [21]3 years ago
7 0

PE = mgh

137.2 = .5*9.8*h

h=137.2/(.5*9.8)

alisha [4.7K]3 years ago
5 0

mgh

137.2=.5x10xh

137.2/5=h

~140/5=28metres approx ... tweet tweet

You might be interested in
write down the total momentum for two marbles of mass,m, both moving at velocity, v. What is the kinetic energy of the system.
frosja888 [35]
Mv + mv = 2mv providing each momentum is in the same direction.
1/2 mv^2 + 1/2 mv^2  = mv^2
4 0
3 years ago
Read 2 more answers
Earths rotation causes day and night cycle. It also causes-
prohojiy [21]
The earth axis to tilt and orbits the  sun 
3 0
4 years ago
an ice sheet 5m thick covers a lake that is 20m deep. at what is the temperature of the water at the bottom of the lake?
muminat

Answer:

4°C

Explanation:

Water is densest at 4°C.  Since dense water sinks, the bottom of the lake will be 4°C.

6 0
4 years ago
In the equation vx^2=v0x^2+2ax(x-x0) what does the terms vx, v0x, x, and x0 stand for respectively?
tatuchka [14]

B. velocity at position x, velocity at position x=0, position x, and the original position

In the equation

v_{x}^{2} = v_{ox}^{2} +2 a x (x - x₀)

v_{x} = velocity at position "x"

v_{ox} = velocity at position "x = 0 "

x = final position

x_{o} = initial position of the object at the start of the motion

6 0
3 years ago
Read 2 more answers
As computer information technology becomes faster, how does the ability of scientists to collect and organize data change?
irina1246 [14]
Because computers and technology develop and become faster things are going to<span> become substantially easier.</span>
7 0
4 years ago
Other questions:
  • What is the core concept of personality
    10·2 answers
  • What kind of stars make up the halo?
    10·2 answers
  • Which of the following is an observation? A. The baby was crying very loudly; therefore, he must have been hungry. B. Jason star
    6·2 answers
  • If you push a cork into the neck of a bottle filled with air, what happens to the pressure inside the bottle?
    12·1 answer
  • Technician A says that a MAF sensor is a high-authority sensor and is responsible for determining the fuel needs of the engine b
    7·1 answer
  • a student pushes on a crate with a force of 100 N directed to the right. what force does the crate exert on a student
    13·1 answer
  • What does the term conserved mean?
    9·1 answer
  • ASAPP PLS HELP MEE
    10·1 answer
  • Two motorcycles travel along a straight road heading due north. At t = 0 motorcycle 1 is at x = 50 m and moves with a constant s
    13·1 answer
  • A wave has a wavelength of 4. 9 m and a velocity of 9. 8 m/s. The medium through which this wave is traveling is then heated so
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!