<h3>
Answer:</h3>
4 m/s²
<h3>
Explanation:</h3>
From the question, we are given;
- Mass of the ball is 2.0 kg
- Acceleration of the ball is 4.2 m/s²
With the above information, we can calculate the force applied to the ball.
- From the second newton's law of motion, F = ma
- Therefore;
Net force, F = 2.0 kg × 4.2 m/s²
= 8.4 N
- We are required to determine the acceleration when the same force is applied to a steel ball with a mass of 2.1 kg.
Mass = 2.1 kg
Force = 8.4 N
But;
Force = mass × acceleration
Acceleration = Force ÷ Mass
= 8.4 N ÷ 2.1 kg
= 4 m/s²
Thus, the acceleration will be 4 m/s²
The one with the greatest mass would, when everything else is equal. I'm having trouble making out your list of choices.
The correct answer is B. False I believe because the element hydrogen is made from atoms containing just one protons and one electrons. So The correct is B. False.
* Hope this helps :) Mark me the Brainliest !!!
Answer: a. Latitude
Explanation:
The average temperature of ocean's surface is about 17°C. The temperature varies with the seasons and location of the ocean. It means the time of the year -whether it is winters , summers, autumn or spring and location - in which zone it lies.
In winters the temperature dips down. The arctic ocean and Antarctic ocean have extremely low temperatures. On the other ocean lying near equator have higher temperature.
Thus, the ocean’s surface temperatures vary with time of year and<u> a. latitude. </u>
Answer:
36N
Explanation:
First draw a diagram so you can see which forces act in which direction.
Then define which is your positive direction. I chose the direction of accelleration (downward) to be positive. This means that the weight of the object is also acting in the positive direction but Tension is acting in the negative direction.
If the elevator which contains the object within is accellerating at 2.6 ms^-2 then the object and string system is also accellerating at the same rate.
F = ma where F is the resultant force.
Resultant for is Weight + Tension but tension is in the negative direction so
F = mg -T
F = 5g - T
F = ma so F = 5 x 2.6
13 = 5g-T
T = 5g - 13
T = 36N
(I've taken g = 9.8ms^-2 but if this is for a physics class I'd take it to be 9.81ms^-2)