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
Finger [1]
3 years ago
15

A woman is standing at the rim of a nonuniform cylindrical horizontal platform initially at rest. The platform is free to rotate

about frictionless orthogonal axle that goes through its center and has 4 m in diameter and moment of inertia of 500 kgm2. The woman then starts walking along the rim in clockwise direction at a constant speed of 1.50 m/s relative to the Earth. If a woman has 60 kg, how much work does she do to set herself and the platform into motion?
Physics
1 answer:
rjkz [21]3 years ago
7 0

Answer:

e

Explanation:

i took it myself and got it right

You might be interested in
What happens in terms of energy when a moving car hits a parked car, causing the parked car to move?
meriva
This is an example Newton's Third Law. All the kinectic energy from the moving car transferred the potential energy of the parked car. This potential is not much since the brakes are on (hopefully) and it's not in a non-moving position.
5 0
3 years ago
Read 2 more answers
Planets that are cold have only a small amount of gravity
Nonamiya [84]
There is no theoretical OR observational evidence for that statement.
4 0
4 years ago
Who think's im pretty <br> the pic is a lil hard to see
damaskus [11]

Answer:

which pic...? there is no picture attached to your question

6 0
3 years ago
A ball is thrown vertically upward from the top of a building 112 feet tall with an initial velocity of 96 feet per second. The
nordsb [41]

Answer:

t=6.96s

Explanation:

From this exercise, our knowable variables are <u>hight and initial velocity </u>

v_{oy}=96ft/s

y_{o}=112ft

To find how much time does the <u>ball strike the ground</u>, we need to know that the final position of the ball is y=0ft

y=y_{o}+v_{oy}t+\frac{1}{2}gt^{2}

0=112ft+(96ft/s)t-\frac{1}{2}(32.2ft/s^{2})t^{2}

Solving for t using quadratic formula

t=\frac{-b±\sqrt{b^{2}-4ac } }{2a}

a=-\frac{1}{2} (32.2)\\b=96\\c=112

t=-0.999s or t=6.96s

<u><em>Since time can't be negative the answer is t=6.96s</em></u>

7 0
3 years ago
If a bean of mass 2.0g jumps 1.0cm from your hand into the air, how much potential energy has it gained in reaching its highest
kirill [66]
PE = mg\Delta h = 0.002 \, kg \cdot 9.8 \, m/s^2 \cdot 0.01 \, m = ~2 \cdot 10^{-4} \, J
6 0
3 years ago
Other questions:
  • A stunt man is being pulled, at a constant velocity, along a rough road by a cable attached to a truck. The cable is parallel to
    11·2 answers
  • A 6 kilogram cat is resting on top of a bookshelf that is 2 meters high. What is the cat’s gravitational potential energy relati
    9·2 answers
  • When a football is kicked, the action and reaction forces do NOT cancel each other out because
    15·1 answer
  • An astronaut in space pushes a piece of equipment to get it into the correct position. What does Newton's third law of motion te
    5·2 answers
  • A train can travel at 300km/h. How long will it take to to travel 12.000km?
    5·2 answers
  • Use what you have learned in the reading to answer the following question. The point of a compass needle points to Earth’s north
    9·1 answer
  • Work done can be describe as?​
    7·1 answer
  • What is the error in this representation of the steps involved in gene therapy?
    15·2 answers
  • The table describes the properties of four compounds.
    9·2 answers
  • My mass is 65 kg and on Earth this equals a weight of 640 N, but on the moon where gravity is 1.7 m/s² my
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!