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
zzz [600]
3 years ago
9

A uniform ladder is 10 m long and weighs 400 n. it rests with its upper end against a frictionless vertical wall. its lower end

rests on the ground and is prevented from slipping by a peg driven into the ground. the ladder makes a 30◦ angle with the horizontal. the magnitude of the force exerted on the peg by the ladder is:

Physics
1 answer:
valkas [14]3 years ago
6 0
Check the attached file for the answer.

You might be interested in
When a container decreases in size, what will happen to an amount of gas in the container??
alexgriva [62]
The gas would also decrease in size since the container lost gas to decrease the size of the container.
7 0
3 years ago
Volcanoes change the earth by
SOVA2 [1]
I believe the answer is b) slowly heating the surface
8 0
3 years ago
Read 2 more answers
We are running late for school and we want to make our 0.5 kg tea (it’s at 90 C) colder. Let’s assume we can drink tea when it’s
PSYCHO15rus [73]

Answer:

x=0.154kg

Explanation:

(x*L)+(0.5kg*4200*50)+(x*4200*(-50)=0

(x*333 000J/kg*c)+(0.5kg*4200J/kg*C*(-40C))+(x*4200J/kg*C*50C)=0

6 0
2 years ago
What is a radio interferometer? a device for correcting chromatic aberration in radio telescopes a device for absorbing and tran
JulsSmile [24]

Answer: a network of several radio telescopes wired together 

Explanation:

A radio interferometer combines signals of several radio telescopes which are used in astronomical observations simultaneously to simulate a discretely-sampled single telescope of very large aperture

Interferometer, an instrument that uses the interference patterns formed by waves to measure certain characteristics of the waves themselves or of materials that reflect, refract, or transmit the waves. Interferometers can also be used to make precise measurements of distance.

3 0
3 years ago
okay so there is a wheel and it shows it when its high, in the middle, and below. my question is when is its potenial energy the
earnstyle [38]
At the highest point 


cheers

4 0
3 years ago
Other questions:
  • A train is speeding down a railroad track at the speed of 50 miles per hour. From whose reference point is the train not moving?
    15·1 answer
  • When a loop of current-carrying wire turns continuously in a magnetic field, a _________ is created.
    10·1 answer
  • An airplane crooses the United States from San Francisco to Boston in 4 hours 20 min. Find the average speed if the distance is
    8·1 answer
  • Who proposed the idea that gravity could actually bend light?
    8·1 answer
  • What is a living organism? Give a few examples.
    15·1 answer
  • A Shaolin monk of mass 60 kg is able to do a ‘finger stand’: he supports his whole weight on his two index fingers, giving him a
    11·1 answer
  • Kamal said the distance from the top of the balloon to the ground in the Example is Ï···· 353 ft. What mistake might Kamal have
    8·1 answer
  • Is the normal force equivalent to the weight of an object?
    13·1 answer
  • FLAMING OR ALBERT .........
    14·2 answers
  • An Olympic high diver (mass = 70 kg) stands on a platform 20 m above the surface of the water. What is the diver's gravitational
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!