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
10

Two pop cans are at rest on a stand. A firecracker is placed between the cans and lit. The firecracker explodes and exerts equal

and opposite forces on the two cans. Assuming the system of two cans to be isolated, the post-explosion momentum of the system ____.
a. is dependent upon the mass and velocities of the two cans
b. is dependent upon the velocities of the two cans (but not their mass)
c. is typically a very large value
d. can be a positive, negative or zero value
e. is definitely zero
Physics
1 answer:
erastovalidia [21]3 years ago
7 0

Answer:

e. is definitely zero

Explanation:

Given that

At initial condition the speed of the pop cans is zero.

We know that linear momentum

P = Mass x velocity

P =  m v

At initial condition v = 0

P= 0

If there is no any external force then the linear momentum of the system will be conserve.And given that ,consider the system isolated.

Therefore the answer is e.

You might be interested in
What is the length of a pendulum with a period of one second?
worty [1.4K]

Answer:

A simple pendulum with a period of 1 second will have a length of 0.25 meters or 25 centimeters

Explanation:

hope it helps u☺☺

7 0
3 years ago
A machine does 500 j of work in 20 sec. What is the power of this machine?
NNADVOKAT [17]

Explanation:

P=W/t

P=500/20

P=25 W

6 0
3 years ago
. An object has a position given by ~r(t) = [3.0 m − (4.00 m/s)t]ˆı + [6.0 m − (8.00 m/s2 )t 2 ]ˆ , where all quantities are in
kupik [55]

Answer:

(c) 16 m/s²

Explanation:

The position is r(t) = [3.0 \text{ m} - (4.00 \text{ m/s})t]\hat{i} + [6.0 \text{m} - (8.00 \text{ m/s}^2 )t^2 ]\hat{j}.

The velocity is the first time-derivative of <em>r(t).</em>

<em />v(t) = \dfrac{d}{dt}r(t) = -4.00\,\hat{i} -16t\,\hat{j}<em />

The acceleration is the first time-derivative of the velocity.

a(t) = \dfrac{d}{dt} v(t) = -16\hat{j}

Since <em>a(t)</em> does not have the variable <em>t</em>, it is constant. Hence, at any time,

a = -16\hat{j}

Its magnitude is 16 m/s².

4 0
3 years ago
Which force causes send dunes? A. Rivers B. Ice C. Wind D. Gravity
lutik1710 [3]
Wind I believe cause it carries the sand to different places
5 0
3 years ago
Read 2 more answers
student measuring the mass of a rock recorded 6.759 g, 6.786 g, 6.812 g, and 6.779 g. which other measurment of the block mass w
Leya [2.2K]

Answer:   6.605

Explanation:

3 0
3 years ago
Other questions:
  • What mRNA sequence would result from the following DNA sequence?
    5·1 answer
  • Which statement is true about air pressure acting in an object
    13·1 answer
  • What is the mechanical advantage of the level shown below?
    10·1 answer
  • Which Astronomer estimated the relative size and distance of the moon and sun?
    9·1 answer
  • A hornet circles around a pop can at constant speed once per second in a path with a 12-cm diameter. we can conclude that the ho
    5·1 answer
  • A gymnast is in a tucked position to complete her somersaults. While tucked her moment of inertia about an axis through the cent
    13·1 answer
  • Q) Suppose, you are in a sporting event. You notice that everyone stands up when it’s his turn,
    15·1 answer
  • A spring has a spring constant of 65.5 N/m and it is
    12·1 answer
  • You observe a star cluster with a main-sequence turn-off point at spectral type G2 (the same spectral type as the Sun). What is
    5·1 answer
  • 25.16 what is the reaction product of acetic acid and ethylamine at room temperature?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!