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
Setler79 [48]
3 years ago
7

You are trying to move a chair of mass 29.0 kg by pushing it 30* below horizontal, but it is not sliding very easily. The coeffi

cient of kinetic friction between the chair and the floor is 0.625 and the resistive force is 283.6N.
(a) What is the normal force?
(b) What is the value of the angled force that will keep the chair moving at a constant velocity?
Physics
1 answer:
valina [46]3 years ago
7 0
A 3,000-N force gives an object an acceleration of 15 m/s2. The mass of the object is ____.

200 kg

You might be interested in
A train has a constant velocity of 2 m/s east. What is the magnitude of the horizontal acceleration of the train?
snow_tiger [21]
"Constant velocity" is practically a definition for zero acceleration.
7 0
3 years ago
I know the enthalpy of a reaction is 23kj/mol. Initially the reaction is taking place at 273 k. To what temperature do i need to
Vladimir79 [104]

Answer:

293k

Explanation:

In this question, we are asked to calculate the temperature to which the reaction must be heated to double the equilibrium constant.

To find this value, we will need to use the Van’t Hoff equation.

Please check attachment for complete solution

7 0
3 years ago
A red rubber ball rolls down a hill from rest with an acceleration of 7.8 m/s 2 . How fast is it moving after it has traveled 5
masya89 [10]

Answer:

39 m/s

Explanation:

7 0
3 years ago
HURRY 20 POINTS <br><br><br> Why is it important to include exercise in your daily routine?
Sedbober [7]

Explanation:

it can improve muscle strength and boost your endurance.

it also delivers oxygen and nutrients to your tissues

3 0
2 years ago
What is lever means,types of lever.. <br>will give brainles​
serious [3.7K]

Explanation:

A lever is a rigid bar which moves freely about a fixed point called fulcrum....

The types of lever are :

  • First class lever
  • Second class lever
  • Third class lever....

3 0
2 years ago
Other questions:
  • You used three methods of analysis to find the acceleration of the cart on the track: a two-point difference from v(t), an avera
    7·2 answers
  • Please help in finding the Total Resistence, Total Current, Req Current Center of Parallel and V40 olms
    14·1 answer
  • A car weighing 10.7 kN and traveling at 13.6 m/s without negative lift attempts to round an unbanked curve with a radius of 64.0
    6·1 answer
  • When happens when an object becomes positively charged?
    8·2 answers
  • With which field of science is Albert Einstein associated? biology chemistry medecine physics
    8·2 answers
  • What is the minimum work needed to push a 920-kg car 310 m up along a 6.5 ∘incline? Ignore friction.Express your answer using tw
    12·1 answer
  • What has to happen to sediment in order for it to become sedimentary rock?
    7·2 answers
  • A 3-kg object is attached to a spring and moving in simple harmonic motion. Its angular frequency is 20 rads/sec. When the mass-
    6·1 answer
  • If a machine exerts 12000 J of work with800 N of force the distance it covered was
    10·1 answer
  • Which quantity must be the same for two bodies in thermal equilibrium?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!