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
Kipish [7]
3 years ago
8

A man does 4,475 J of work in the process of pushing his 2.40 103 kg truck from rest to a speed of v, over a distance of 26.5 m.

Neglecting friction between truck and road, determine the following.
(a) the speed
(b) the horizontal force exerted on the truck
Physics
1 answer:
velikii [3]3 years ago
7 0

Answer:

1.9311 m/s

168.86792 N

Explanation:

v = Final velocity

m = Mass of truck = 2.4\times 10^3\ kg

s = Displacement = 26.5 m

Work done is given by

W=\dfrac{1}{2}m(v^2-u^2)\\\Rightarrow W=\dfrac{1}{2}m(v^2-0^2)\\\Rightarrow v=\sqrt{\dfrac{2W}{m}}\\\Rightarrow v=\sqrt{\dfrac{2\times 4475}{2.4\times 10^3}}\\\Rightarrow v=1.9311\ m/s

The speed is 1.9311 m/s

Work done is given by

W=Fs\\\Rightarrow F=\dfrac{W}{s}\\\Rightarrow F=\dfrac{4475}{26.5}\\\Rightarrow F=168.86792\ N

The horizontal force is 168.86792 N

You might be interested in
Extend the life of your __________ by avoiding fast starts, stops and sharp turns.
skelet666 [1.2K]

Answer:

Tires.

Explanation:

There are the few steps which are discussed below should be taken to increase or extend the life of tires.

(1) Avoid fast starts: Fast start of the vehicle will increase the pressure on the tires due to the friction between the tires and the road will decrease the life of tires.

(2)  Avoid fast stop: Fast stop of the vehicle will also increase the pressure on the tires due to the friction between the tires and the road will decrease the life of tires.

(3) Avoid sharp turns: The alignment of the wheels and tires are in such a way that they work properly when vehicle is drive in a straight path but sharp turn will increase the uneven pressure on the tires will lead to decrease the life of tires.

Therefore, the life of tires can be extend by avoiding all the above mention actions such as fast stop, start and sharp turns.

5 0
3 years ago
Explain, using your own words, how noise cancelling headphones work, (physics)
Afina-wow [57]

Answer:

They use noise control, creating a wave that negates outside or ambient sound and replaces it with the desired sound that listeners request.

Explanation:

I hope this helped

4 0
3 years ago
How much work is done when a 5 N force moves a block 4 m?
katen-ka-za [31]
20N•m or 20J. Work is equal to force•distance, and 5N•4m is 20N•m, or J
4 0
3 years ago
4. Who was the proponent of the Neo-classicism? a) Claude Debussy b) Joseph Maurice Ravel c) Igor Stravinsky d) Arnold Schoenber
nirvana33 [79]

Who was the proponent of the Neo-classicism?

a) Claude Debussy

b) Joseph Maurice Ravel

c) Igor Stravinsky

d) Arnold Schoenberg

4 0
3 years ago
Interchangeably means​
ryzh [129]

Answer:

Interchangeable is something that can be used in the same manner as something else without any important differences.

or in a more simple way

something that can be exchange

For example when two sweaters look almost the same and you could easily wear either one with a particular skirt, this is an example of when the sweaters can be worn interchangeably.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Caelyn wanted to find out what shampoo made her hair the shiniest . Everyday she washed her hair with different shampoos and the
    5·1 answer
  • Pancake syrup taken out of the refrigerator will be difficult to pour because low temperature increases viscosity.
    6·2 answers
  • What is carried by a wave?
    12·2 answers
  • What does it mean when the electronegativity between elements is 0?
    10·1 answer
  • From what height must an oxygen molecule fall in a vacuum so that its kinetic energy at the bottom equals the average energy of
    11·1 answer
  • List at least five examples of minerals and their common uses.
    8·1 answer
  • One factor of x^3-3x^2-4x+12 is x+2. find the remaining factors
    15·1 answer
  • What would be the Elastic Potential Energy (EPE) stored in a spring with a constant k = 200 N/m that is pulled to stretch 0.45m?
    8·1 answer
  • WILL MARK BRAIN<br> A=154<br> B=145<br> C=26<br> D=206
    12·1 answer
  • If anyone can answer it'd be very appreciated, i need to pass this class
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!