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
slega [8]
4 years ago
13

Select the correct answer.

Physics
1 answer:
Marianna [84]4 years ago
6 0

Answer:

A

Explanation:

According to Newton's second law, acceleration is directly proportional to the net force. As the acceleration increases (when mass is constant), the net force increases. This is represented in the following formula.

f = ma

a =  \frac{f}{m}

a = acceleration

f = force

m = mass

You might be interested in
In order to change power, what else must be changed?
Genrish500 [490]

<span>In order to change power, current or voltage should also be changed. Voltage is an electromotive force, and also the quantitative expression that shows the potential difference of the two points charged in an electrical field.  So, before power will take place, it would always be best to change also the voltage.</span>

6 0
3 years ago
Read 2 more answers
calculate the spring constant if a weight of 250N is added to a spring which increases in length by 20cm
ZanzabumX [31]
Since, F = k . ∆x

Therefore, k = F / ∆x = 250 / 0.2 = 1250 N/m

(ps: convert 20 cm into 0.2 m)
8 0
3 years ago
Which of the following statements are correct? 1. Electrons and protons have identical masses but opposite charges. 2. Most of a
lisabon 2012 [21]

Answer:

b 2 only

Explanation:

The mass of an electron is 9.10938356 × 10⁻³¹ kilograms while the mass of a proton is 1.6726219 × 10⁻²⁷ kilograms. It can be seen that a proton is heavier than an electron.

Atoms do not always have the same number of neutrons and protons. For, example ¹³C has 6 protons and 7 neutrons.

Atoms do have most of the mass concentrated at the center called the nucleus. The nucleus has protons and neutrons. As protons have positive charge and neutrons have no charge the nucleus has a positive charge.

7 0
3 years ago
An object moves 360 km in 2 hours calculate its speed into km/h and m/s​
erik [133]

Explanation:

Speed= Distance / time

Speed= 360/2

= 180 km/h

Speed= 180 × 5/18

= 50 m/s

hope it helps

5 0
2 years ago
Read 2 more answers
Justin is riding his bike up Dunmore Hill. The effort force from his feet on his pedals is 1160N.
Schach [20]

Explanation:

the answer is 1835N that how best I can help

3 0
3 years ago
Other questions:
  • Estimate the magnitude of the electric field due to the proton in a hydrogen atom at a distance of
    12·1 answer
  • A 115-turn circular coil of radius 2.71 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coi
    9·1 answer
  • An unusual lightning strike has a vertical portion with a current of −400 A downwards. The Earth's magnetic field at that locati
    15·1 answer
  • An object is thrown with a force of 30 Newtons and ends up with an acceleration of 3 m/s ^ 2 due to that throw. What is the mass
    6·1 answer
  • Responsible for reflex, maintain muscles tone and dopamine. 8 letter word
    15·1 answer
  • A stunt driver drives a car horizontally off the edge of a cliff at 3.8m/s and reaches the water below 2.5s later.
    5·1 answer
  • ASAP pls answer right and I will mark brainiest
    12·1 answer
  • Identifying Characteristics Common to All Protists Use the drop-down menus to complete the statements. All protists live in envi
    6·2 answers
  • Explain and derive the equation for capillary action in the phenomenon of surface tension​
    10·1 answer
  • Calculate the weight of a 2kg chicken on earth. .. (use the formulas)​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!