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
Misha Larkins [42]
3 years ago
6

3. If you roll a ball up a hill, it undergoes positiveacceleration. True or false​

Physics
1 answer:
Jlenok [28]3 years ago
4 0

Answer:

true

Explanation:

You might be interested in
As a laudably skeptical physics student, you want to test Coulomb's law. For this purpose, you set up a measurement in which a p
monitta

Answer:

force F = 1.66 × 10^{-13} N

Explanation:

given data

proton and an electron = 865 nm

solution

we get here force that is express as

force F = k q1 q2 ÷ r²      ......................1

put here value and we get

force F = 9 × 10^{9} × \frac{1.6\times (10^{-19})^{2}}{865 \times (10^{-9})^{2}}    

force F = 1.66 × 10^{-13} N

4 0
3 years ago
Complete the ray diagram and label incident ray, refracted ray, angle of incidence, and angle of refraction ​
Novay_Z [31]

Answer:

Solution

verified

Verified by Toppr

(a) The labelled diagram is shown.

(b) The refractive index of diamond is 2.42. Refractive index of diamond is the ratio of the speed of light in air to the speed of light in diamond.i.e.,

μ=  

Speedoflightindiamond

Speedoflightinair

​

 

and, the ratio of these velocities is 2.42. i.e., This means that the speed of light in diamond will reduce by a factor of 2.42 as compared to its speed in air. In other words, the speed of light in diamond is  

1/2.42

times the speed of light in vacuum.

Explanation:

a) Draw and label the diagram given :

  (i) Incident ray

  (ii) Refracted ray

  (iii) Emergent ray

  (iv) Angle of reflection

  (v) Angle of deviation

  (v) Angle of emergence

(b) The refractive index of diamond is 2.42. What is the meaning of this statement in relation to speed of light?

4 0
3 years ago
Are individual organelles (cell structures) living? Explain
Julli [10]
All cells are living however organelles are not living there are no organisms that consist of just a single cell
3 0
3 years ago
Read 2 more answers
Evaluate u+xy where U=3 X=4 Y=7
Reptile [31]

Answer:

31

Explanation:

Given:

U=3

X=4

Y=7

u + xy

Substitute the given values to the equation:

3 + (4)(7)

3 + 28

31

6 0
2 years ago
PLEASE PLEASE HELP AND PUT A REAL ANSWER ;-;. ALSO WILL GIVE BRAINLEST!!
Xelga [282]

Answer:

Troposphere

High-pressure areas form due to downward motion through the troposphere, the atmospheric layer where weather occurs.

3 0
2 years ago
Other questions:
  • I need help on question 5
    12·1 answer
  • The more particles that are hitting each other in a fluid, the less pressure is created. true of false
    14·1 answer
  • Suppose Earth's mass increased but Earth's diame-
    14·1 answer
  • What dose it mean to say that mass is conserved during a physical change
    6·2 answers
  • How much work are you doing if you push on a 40 N rock that won't move?
    6·1 answer
  • 6. What are the methods to control noise pollution?​
    13·2 answers
  • What are chlorofluorocarbons and what impact do they have on the atmosphere?
    8·1 answer
  • A stone is thrown horizontally at 15 m/s from the top of a cliff 40 meters high. How far from the base does the stone hit the gr
    14·1 answer
  • Based on its location on the periodic table, an element that is not naturally occurring is?​
    15·1 answer
  • During crystallisation the crystals separate out from the hot ________solution of a substance on cooling
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!