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
Aleksandr-060686 [28]
3 years ago
13

What are the methods of heat transfer? ​

Physics
1 answer:
m_a_m_a [10]3 years ago
8 0

Answer:

Radiation , Conduction and Convection

Explanation:

Those are the ways heat is transferred

You might be interested in
if your reading this never take life for granted i had corona 19 i found out what life really is and god is the only cure
Shtirlitz [24]

Answer:

omg i'm so sorry, i hope you get better <3!

Explanation:

     

8 0
3 years ago
The velocity-time and acceleration-time graphs of a particle are given here. Its position-time graph may be given as: PLZ answer
artcher [175]

Answer:

I would say the answer is B

Explanation:

8 0
3 years ago
A planet exerts a gravitational force of magnitude 9e22 N on a star. If the planet were 2 times closer to the star (that is, if
Dmitrij [34]

To solve this problem we will use the related concepts in Newtonian laws that describe the force of gravitational attraction. We will use the given value and then we will obtain the proportion of the new force depending on the Radius. From there we will observe how much the force of attraction increases in the new distance.

Planet gravitational force

F_p = 6*10^{22}N

F_p = \frac{GMm}{R^2}

F_p = 9*10^{22}N

Distance between planet and star

r = \frac{R}{2}

Gravitational force is

F = \frac{GMm}{r^2}

Applying the new distance,

F = \frac{GMm}{(\frac{R}{2})^2}

F =  4\frac{GMm}{R^2}

Replacing with the previous force,

F = 4F_p

Replacing our values

F= 4(9*10^{22}N)

F = 36*10^{22}N

Therefore the magnitude of the force on the star due to the planet is  36*10^{22}N

5 0
3 years ago
(Repost) I need help with this physics question. Thanks in advance! Answer ASAP.
Kitty [74]

The time taken for the tiny saliva to travel is 0.55 second.

The  horizontal distance traveled at speed of 4 m/s is 2.2 m.

The horizontal distance traveled at speed of 20 m/s is 11 m.

<h3>Time of motion of the tiny saliva</h3>

The time taken for the tiny saliva to travel is calculated as follows;

h = vt + ¹/₂gt²

where;

  • v is initial vertical velocity  = 0
  • g is the acceleration due to gravity

h = 0 + ¹/₂gt²

h = ¹/₂gt²

2h = gt²

t² = 2h/g

t = √(2h/g)

Substitute the given parameters and solve for time of motion;

t = √(2 x 1.5 / 10)

t = 0.55 second

<h3>Horizontal distance traveled at speed of 4 m/s</h3>

X = Vx(t)

X = (4 m/s)(0.55)

X = 2.2 m

<h3>Horizontal distance traveled at speed of 20 m/s</h3>

X = (20)(0.55)

X = 11 m

Learn more about time of motion here: brainly.com/question/2364404

#SPJ1

3 0
2 years ago
1) A ball is dropped from the Eiffel Tower (300 m), how long would it take for the ball to reach a velocity of 65 m/s? How far d
Andreas93 [3]

Answer:

Explanation:

If you drop a ball from

the top of a building it

gains speed as it falls.

• Every second, its

speed increases by

10 m/s.

• Also it does not fall

equal distances in

equal time intervals

• If the acceleration = 0 then the velocity is

constant. [remember that acceleration is

the rate of change of velocity]

• In this case the distance an object will

travel in a certain amount of time is given

by distance = velocity x time

• For example, if you drive at 60 mph for

one hour you go 60 mph x 1 hr = 60 mi.

6 0
2 years ago
Other questions:
  • The Hubble constant, $H_{0}$, is the ratio of the recessional velocity of a galaxy to its distance. The Hubble constant is estim
    10·1 answer
  • Density of a material is the same, no matter the _____ or the ___ of the material
    15·1 answer
  • A slender rod is 80.0 cm long and has mass 0.120 kg. A small 0.0200-kg sphere is welded to one end of the rod, and a small 0.050
    11·1 answer
  • HELP I NEED THE ANSWER NOW
    13·1 answer
  • When the volcano Krakatoa erupted in 1883, it was heard 5000 km away. Which statement about the sound from the volcano is not co
    10·1 answer
  • Picture a ball traveling at a constant speed around the inside of a circular Structure. is the ball acceleration? Explain why?
    13·2 answers
  • The angular speed of the hour hand of a clock, in rad/min, is:___________
    5·1 answer
  • Please this is my senior work I’m trying to pass so help please <br><br><br> What is Hooke’s Law
    6·1 answer
  • How could you weaken the force of gravity between cars and the Earth?<br>**I WILL MARK BRAINLEST**​
    15·1 answer
  • I need help with these questions :<br>(see image )​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!