Answer:
The mass number is the product of number of protons and number of neutrons
The atomic number is the same as the mass number but just put amu next to the number
Radius of Earth is given as

now here the height from the surface of earth is same as that of radius

now here the acceleration due to gravity at this height is given as



now the force of gravity on the given object will be




<em>so the force of gravity on it is 1.225 N</em>
Answer:
im soo sad brainly wouldnt let me in the account that asked this question now i have to start everything over
Explanation:
Answer:
Kinetic energy is the energy an object has because of its motion. If we want to accelerate an object, then we must apply a force. Applying a force requires us to do work. After work has been done, energy has been transferred to the object, and the object will be moving with a new constant speed.
A LEVER is one type of simple machine.