Question 4(Multiple Choice Worth 1 points) (02.01 LC)
Who proposed that an atom is a sphere with negative electrons?
James Chadwick
OJ. J. Thomson
O Niels Bohr
O Emest Rutherford

b. th3 n4zc4 pl4t3 15 c0nv3rg1ng w1th the s0uth 4m3ric4n pl4t3.

weight of any object is given by

w = m*g

where m is mass of the object and g is the acceleration due to gravity.

for earth the value of g is 9.8 m/s^2 so

w=117.6 n m=12 g=?

117.6=12g => g=9.8 m/s^2

which is the force of gravity on earth.