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
Phantasy [73]
3 years ago
12

A fuel-filled rocket is at rest. It burns its fuel and expels hot gas. The gas has a momentum of 1,500 kg x m/s backward. What i

s the
momentum of the rocket?
a
0
b
-1,500 kg x m/s forward
1,500 kg x m/s forward
с
Physics
1 answer:
storchak [24]3 years ago
3 0

Answer:

a

Explanation:

Its mass times m/s there is no m/s so 1500x0 = 0

You might be interested in
Which of Newton's motion laws BEST explains HOW a rock accelerates when it is dropped off a bridge?
ki77a [65]

Answer:

a

Explanation:

6 0
3 years ago
Read 2 more answers
As part
umka21 [38]

Answer:

Part a)

a = 3.68 m/s^2

Part b)

a = 11.8 m/s^2

Explanation:

Part a)

For force conditions of two blocks we will have

m_1g - T = m_1 a

T - m_2g = m_2 a

now from above equations we have

(m_1 - m_2) g = (m_1 + m_2) a

a = \frac{m_1 - m_2}{m_1 + m_2} g

now we know that

m_1 = \frac{908}{9.8} = 92.65 kg

m_2 = \frac{412}{9.8} = 42 kg

now from above equation we have

a = \frac{92.65 - 42}{92.65 + 42}(9.8)

a = 3.68 m/s^2

Part b)

When heavier block is removed and F = 908 N is applied at the end of the string then we have

F - mg = ma

908 - 412 = 42 a

a = 11.8 m/s^2

8 0
3 years ago
A 10 kg brick and a 1 kg book are dropped in a vacuum. The force of gravity on the 10 kg brick is what?
Nadya [2.5K]
<span>10 times as much. Since F=m*a, and a is constant, the only thing that affects force is the mass.

In response to the below answer, the acceleration due to gravity does not change. The force due to gravity definitely DOES change depending on the mass of the object. Since the force is what the problem asks for, the answer is 10</span>
7 0
2 years ago
Read 2 more answers
What if multiple forces act on an object in equilibrium??
tatuchka [14]
Unless if all forces cancel each other out , the object will no longer be in equilibrium

4 0
3 years ago
In football we see unbalanced forces. When 1 player exerts an unbalanced force on another player and causes a player to
zaharov [31]

Answer:

Fall

Explanation:

3 0
3 years ago
Other questions:
  • The energy change in an endothermic reaction is: A. Internal B. External C. Negative D. Positive
    12·1 answer
  • True/False:Scientific endeavor should always be pursued, regardless of the known trade offs associated with the research.
    10·1 answer
  • Anybody wanna help? (Picture Included?)
    5·2 answers
  • Balancing Chemical Equations
    5·2 answers
  • Can somebody help me with this
    7·1 answer
  • Which of the following is an example of heat convection?
    13·2 answers
  • An optical engineer wishes to specify the properties of a concave makeup mirror, which is supposed to provide an upright and enl
    12·1 answer
  • Hypothesis why would momentum not be conserved when 2 vehicles collide?
    8·1 answer
  • A student on an amusement park ride moves in a circular path with a radius of 3.5 meters once every 8.9 seconds. What is the ave
    5·1 answer
  • What is the salt formed in the second sample reaction?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!