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
DedPeter [7]
3 years ago
15

Prove that the period of a simple pendulum T=2×22/7×rootl/g​

Physics
1 answer:
Rudik [331]3 years ago
4 0

Answer:

Explanation:

Check the attachment.

By the definition of the simple harmonic motion,

The motion of a particle whose acceleration is

1. Always directed towards the center of the motion.

2. Proportional to the distance from center of the motion.

We get, a ∝ -x

where

a = acceleration

x = distance of the particle from center of the motion

- sign says acceleration is in opposite direction of motion

Check the other attachment for proof of a = -ω²x (or a = -ω²y)

x and y are both use to denote distance from center of the motion

Download pdf
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> pdf </span>
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> pdf </span>
You might be interested in
7. A 2.0 kg block, starting from rest, is pushed by a
11Alexandr11 [23.1K]

Answer:

(A) 0.8 kgm/s

Explanation:

because of the even ground it would only slow down

7 0
3 years ago
Why is the moon’s surface cratered, but the Earth’s is not
Scorpion4ik [409]

The comets hit the moon's surface because there is no atmosphere on the moon to protect it. The earth has an atmosphere so it is protected.

8 0
3 years ago
A figure skater skates across a rink of length 50 m in 12.1 seconds. a. What is the average speed of the skater? (2 points) b. I
melamori03 [73]
(a) The skater covers a distance of S=50 m in a time of t=12.1 s, so its average speed is the ratio between the distance covered and the time taken:
v= \frac{S}{t}= \frac{50 m}{12.1 s}=4.13 m/s

(b) The initial speed of the skater is
v_i = 4 m/s
while the final speed is
v_f = 5.3 m/s
and the time taken to accelerate to this velocity is t=2 s, so the acceleration of the skater is given by
a= \frac{v_f - v_i}{t}= \frac{5.3 m/s-4.0 m/s}{2.0 s}=0.65 m/s^2

(c) The initial speed of the skater is 
v_i = 13.0 m/s
while the final speed is 
v_f=0
since she comes to a stop. The distance covered is S=8 m, so we can use the following relationship to find the acceleration of the skater:
2aS=v_f^2 -v_i^2
from which we find
a= \frac{-v_i^2}{2S}= \frac{-(13.0m/s)^2}{2 \cdot 8.0 m}=-10.6 m/s^2
where the negative sign means it is a deceleration.
4 0
4 years ago
What is erosion and what are some famous things it has made?
Citrus2011 [14]

Answer:

Erosion is the wearing away if land by forces such as water and wind. It has created things such as mountain peaks, valleys and coastlines.

7 0
3 years ago
If the heat change of the surroundings (such as the solution the reaction is occurring in) is determined to be 2.7 kJ, what is t
marusya05 [52]
If the heat change of the surroundings (such as the solution the reaction is occurring in) is determined to be 2.7 kJ, what is the heat change of the reaction (qrxn)?

Answer: First of all we can conclude that this is an exothermic reaction. The reason being that an exothermic reaction is one that produces a temperature increase in a isolated system giving off heat to the surroundings. Therefore the heat of the reaction is a negative quantity (qrxn < 0).

I hope it helps, Regards.
4 0
3 years ago
Other questions:
  • Put each event in order of its occurrence, according to the big bang theory. please note that more accurate calculations of the
    11·1 answer
  • What does a step-up transformer increase?<br><br> A. power<br> B. energy<br> C. force<br> D. voltage
    14·2 answers
  • or Ethernet, if an adapter determines that a frame it has just received is addressed to a different adapter it discards the fram
    7·1 answer
  • Sort the questions based on whether they are better answered by an observational study or a controlled experiment.
    5·1 answer
  • Which of the following combinations of elements is most likely to produce covalent bonds?
    5·2 answers
  • If i try to fail and succeed which one did I do
    7·1 answer
  • A non living factor in an ecosystem
    13·1 answer
  • A parallel-plate capacitor is constructed of two disks spaced 2.00 mm apart. It is charged to a potential difference of 500. V.
    7·1 answer
  • A net force of 5N is applied to a 13kg mass. what is its acceleration?​
    7·1 answer
  • Solve for M₂
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!