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
katen-ka-za [31]
3 years ago
6

A concrete slab of mass 400 kg accelerates down a concrete slope inclined at 35°. The kinetic between the slab and slope is 0.60

. Determine the acceleration of the block. ​
Physics
1 answer:
belka [17]3 years ago
8 0

I got you

Explanation:

normal force = 400 g cos 35

friction force up slope = .6 (400 g) cos 35

weight component down slope = 400 g sin 35

400 a = 400 g sin 35 - .6 (400 g cos 35)

a = g (sin 35 - .6 cos 35) = .082 g

I hope this helps you

You might be interested in
Newton’s law of universal gravitation stars that every object in the universe attracts every other object
LenaWriter [7]

Yes it does !  Uh huh. Right you are. Truer words are seldom written.

You have quoted the law quite accurately but also incompletely.  

Do you have a question to ask ?

4 0
3 years ago
The most common elements in the Earth’s crust are rarely found on their own. They are usually found combined. Suggest why this i
GaryK [48]

Answer:

Because there are other elements that get in touch with it. And over time with, evolution, erosion and temperature their particles tend to mix. So what once was very common became mixed over time.

7 0
3 years ago
Air is a solution of 78% nitrogen, 21% oxygen and 1% other gases. Which part of this solution is the solvent?
Tom [10]
The answer is 78%. i got it right
6 0
3 years ago
Read 2 more answers
Homeostasis is necessary for these organisms to survive.
alexandr1967 [171]

Answer:

B, unicellular

Explanation:

8 0
3 years ago
How does the kinetic energy of the particles in a hot cup of coffee compare to the kinetic energy of the particles in ice cream?
trasher [3.6K]

Answer:

it has more molecules than the burning match, which equals MORE total kinetic energy.

Explanation:

4 0
4 years ago
Read 2 more answers
Other questions:
  • A straight wire in a magnetic field experiences a force of 0.030 N when the current in the wire is 2.7 A. The current in the wir
    8·1 answer
  • A wave of amplitude 20mm has intensity Ix. Another wave of the same frequency but of amplitude 5mm has an intensity Iy.
    6·1 answer
  • A fanis rotating at a constant 360.0 rev/min. What is the magnitude of the acceleration of a point on one of its blades 10.0 cm
    7·1 answer
  • What is the similarity between relative dating and radioactive dating?
    11·1 answer
  • How long does it take electrons to get from a car battery to the starting motor? Assume the current is 260 A and the electrons t
    13·1 answer
  • Suppose that video game discs are a normal good. If the income of video game players​ increases, you predict that in the market
    11·1 answer
  • Help can’t find the answer no where
    11·1 answer
  • Can you guys pls also solve for average speed. <br>​
    13·1 answer
  • Which lists the evidense to varify a chemical change occurred instaed of a phicical change
    15·2 answers
  • HELP THIS IS TIMED PLEASE OMG
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!