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
kvasek [131]
3 years ago
12

A physics student in a hot air balloon ascends vertically at constant speed. Consider the following four forces present in this

situation: 1 = the weight of the hot air balloon 3 = the force of the student pulling on the earth 2 = the weight of the student 4 = the force of the hot air balloon pulling on the student Which two forces form an "action-reaction" pair that obeys Newton's third law?
Physics
1 answer:
Leni [432]3 years ago
3 0

Answer:

The two forces that form an "action-reaction" pair that obeys Newton's third law are forces 2 and forces 3

Explanation:

The force by which student pulls the earth will be equal in magnitude and opposite in direction to the force by which earth pulls the student l.e his weight.

Therefore, the two forces are

3 = the force of the student pulling on the earth and

2 = the weight of the student

You might be interested in
What are the body measurements​
ki77a [65]

Answer:

body measurements are a common method specifying body proportion for the purpose of fitting clothes.

6 0
3 years ago
Read 2 more answers
Help me please!<br> What is the velocity of a 0.1 kg baseball whose momentum is 100?
Nikitich [7]

Answer:

1000m/s

Explanation:

velocity(v)=momentum(p)/mass

=100/.1

=1000m/s

3 0
3 years ago
Which pm the following are likely to form a covalent bond
Alecsey [184]

Answer:

magneisuim and gold

Explanation:

8 0
4 years ago
Read 2 more answers
A block pushed along the floor with velocity V0 slides a distance d after the pushing force is removed. a) if the mass of the bl
KengaRu [80]

Answer:

a) \ d_2=d_1\\b) \ d_2=4d_1

Explanation:

Assume that the distance travelled initially is d.

In order to stop the block you need some external force which is friction.

If we use the law of energy conservation:

E_i=E_f\\\frac{mv^2}{2}= E_{Friction}\\E_{Friction}=F_{Friction}*d\\F_{Friction}= \mu_kmg\\\frac{mv^2}{2}= \mu_kmgd\\ d=\frac{v^2}{2\mu_kg}

a)

Looking at the formula you can see that the mass doesn't affect the distance travelled, as lng as the initial velocity is constant (Which indicates that the force must be higher to push the block to the same speed) therefore the distance is the same.

b) If the velocity is doubled, then the distance travelled is multiplied by 4, because the distance deppends on the square of the velocity.

6 0
4 years ago
What is an advantage of using an electromagnet rather than a regular magnet?
alexdok [17]
<span>The advantage of using an electromagnet rather than a regular magnet is that an electromagnet is stronger and you can control the power of the magnet. </span>
5 0
3 years ago
Read 2 more answers
Other questions:
  • A cabin has a 0.159-m thick wooden floor [k = 0.141 W/(m · C°)] with an area of 13.4 m2. A roaring fire keeps the interior of th
    9·1 answer
  • After an earthquake, which type of seismic wave arrives last at a seismometer?
    6·1 answer
  • Please help calculate them<br> A-f please very urganr
    5·1 answer
  • A stone is dropped from a tower of height 3600cm.Find the velocity by which it strike the ground.Also,find the time taken to rea
    6·2 answers
  • What is the difference between a wedge and a screw?
    10·1 answer
  • A tin can has a volume of 1100 cm³ and a mass of 80 g. Approximately how many grams of lead shot can it carry without sinking in
    14·1 answer
  • What does your ecological foot print tell you?
    12·1 answer
  • The softest known mineral is talc. It has a hardness of 1. What is the hardest known mineral
    15·1 answer
  • A coil of wire is connected to a galvanometer. When the coil is rotated in a magnetic field, the galvanometer records a current
    6·1 answer
  • A stationary 12.5 kg object is located on a table near the surface of the earth. The coefficient of static friction between the
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!