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
Anarel [89]
2 years ago
9

A 1520 kg car is rolling down a frictionless 14.4° slope. What is its acceleration?

Physics
1 answer:
Umnica [9.8K]2 years ago
7 0

Answer:

a = 2.44 m/s²

Explanation:

The Net force acting on the car downwards the plane will be equal to the component of the weight that is parallel to the plane.

Thus;

mg(sin θ) = ma

Thus;. g(sin θ) = a

g is acceleration due to gravity = 9.81 m/s²

θ = 14.4°

Thus;

9.81 × sin 14.4 = a

a = 2.44 m/s²

You might be interested in
A 0.141 kg pinewood derby car is moving 1.33 m/s . What is its momentum?
kompoz [17]

momentum= mass × velocity = 0.141kg×1.33m/s= 0.18753kg m/s = 0.188kg m/s (3s.f.)

7 0
3 years ago
If someone looks far enough into space, they should be able to see the beginning of the universe true of false
kodGreya [7K]
The answer is no, it would be impossible to see the beginning of the universe
8 0
2 years ago
In which way does the popularity of modern sports help advance a society
Anastasy [175]
The popularity of modern sports help advance a society by bringing people together.
5 0
3 years ago
Which statement about subatomic particles is true?
navik [9.2K]

A. An electron has far less mass than either a proton or neutron.

4 0
3 years ago
Two long straight wires are parallel and carry current in the same direction. The currents are 8.0 and 12 A and the wires are se
Bess [88]

A magnetic field is a mathematical description of the magnetic influence of electric currents and magnetic materials. The magnetic field at any point is specified by two values, the direction and the magnitude; such that it is a vector field. Mathematically it is described as,

B = \frac{\mu_0 I}{2\pi d}

Here

\mu_0=  Permeability at free space constant

I_{1,2}= Current at each object

d = Distance to the center point of the two object

Two magnetic field due to the current in the same directions then is,

B = \frac{\mu_0 I_1}{2\pi d_1}+\frac{\mu_0 I_2}{2\pi d_2}

Replacing,

B = \frac{(4\pi *10^{-7})(8)}{2\pi (2*10^{-3})}+\frac{(4\pi *10^{-7})(12)}{2\pi (2*10^{-3})}

B = 8*10^{-4} +12*10^{-4}

B = 20*10^{-4}T

Therefore the correct answer is E.

8 0
3 years ago
Other questions:
  • What is the formula for momentum?
    5·1 answer
  • If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is
    14·2 answers
  • Foods that allow microorganisms to grow are called parasites. true or false
    10·1 answer
  • An ant sits on a cd at a distance of 17 cm from the center. If it sits there for 42
    10·1 answer
  • The main product of the photosynthesis reaction is A. sugar. B. fat. C. protein. D. DNA.
    7·2 answers
  • 29. Use the figure to determine in what direction the north magnetic pole of the compass will point. what type of magnetic pole
    6·1 answer
  • Rahul runs a distance of 12
    14·1 answer
  • A car hits a tree and doesn’t stop, but keeps going until severely damaged. This is because of _____.
    9·2 answers
  • 5. Define joint<br><br> answer asap plz and ty
    6·2 answers
  • A drag racer, starting from rest, speeds up for 402 m with an acceleration of +17.0 m/s2. A parachute then opens, slowing the ca
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!