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
Lesechka [4]
3 years ago
13

What radiation do remote controls use?

Physics
1 answer:
dalvyx [7]3 years ago
3 0

Answer:

infra red radiation is used

You might be interested in
True or false question please help me out
Len [333]

Answer:

thats true

Explanation:

7 0
2 years ago
A pirate fires his cannon parallel to the water but 3.5 m above the water. The cannonball leaves the cannon with a velocity of 1
Bumek [7]

Answer:

202.8m

Explanation:

Given that A pirate fires his cannon parallel to the water but 3.5 m above the water. The cannonball leaves the cannon with a velocity of 120 m/s. He misses his target and the cannonball splashes into the briny deep.

First calculate the total time travelled by using the second equation of motion

h = Ut + 1/2gt^2

Let assume that u = 0

And h = 3.5

Substitute all the parameters into the formula

3.5 = 1/2 × 9.8 × t^2

3.5 = 4.9t^2

t^2 = 3.5/4.9

t^2 = 0.7

t = 0.845s

To know how far the cannonball travel, let's use the equation

S = UT + 1/2at^2

But acceleration a = 0

T = 2t

T = 1.69s

S = 120 × 1.69

S = 202.834 m

Therefore, the distance travelled by the cannon ball is approximately 202.8m.

4 0
2 years ago
What is the Octet rule
egoroff_w [7]

Answer:

the octate rule says that electron after completing all the valency of the element doesnot goes as 9 but continues next round after completing the next octat then the first shell completes the all electron valency .thanks if you dont understand then please comment l will try to solve your confusion

5 0
3 years ago
a car traveling at a velocity of 2 m/s undergoes an acceleration of 4.5 m/s^2 over a distance of 340 m. How fast will it be goin
ra1l [238]
Vi = 2m/s
a= 4.5 m/s 
d= 340 m
vf= ?

use this equation ...  vf^2=vi<span>^2+2ad

you should get vf = 55.3
hope this helps </span>
3 0
3 years ago
Match the change of state of matter to the term:
Sphinxa [80]

Sup Milk,

Sublimation = Energy is absorbed and a solid turns to a gas.

Condensation = Energy is released and a gas changes to a liquid.

Evaporation = Energy is absorbed into a liquid to turn it into a gas.



6 0
3 years ago
Read 2 more answers
Other questions:
  • 150-N box is being pulled horizontally in a wagon accelerating uniformly at 3.00 m/s2. The box does not move relative to the wag
    13·1 answer
  • Which equation describes the sum of the vectors plotted below?
    11·2 answers
  • two arrows are fired horizontally with the same speed of 30.0 m/s. Each arrow has a mass of 0.100kg. One is fired due east and t
    11·2 answers
  • Which activity best demonstrates Ernest Rutherford's creativity?A. questioning the correctness of the plum pudding modelB. desig
    14·1 answer
  • This is a measure of quantity of matter
    6·1 answer
  • Discuss what it means to view a moving objectt from a frame of reference. Supply an example that illustrates your explanation.
    7·1 answer
  • A planet orbits a sun in a clockwise elliptical orbit as shown in the diagram below
    6·1 answer
  • Match the following items.
    6·1 answer
  • When a bow releases an arrow, the arrow
    13·2 answers
  • An object on earth with a mass of 7.5 kg has a weight of
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!