The magnitude of the gravitational force between two part...
The magnitude of the gravitational force between two particles 0.10m apart is 10N. If the distance between them is increased to 0.20m, calculate the magnitude of the new force
40.0N
20.0N
5.0N
2.5N
Correct answer is D
g1=Gm1m2r21
m1m2=gr21G
g2=Ggr21Gr22=10×0.120.22
= 2.5N
A resistor with fixed resistance value is called a ...
A barometer can be used in determining the I. height of a mountain II. depth of a mine III. dew...
A person standing waist-deep in a swimming pool appears to have short legs because of light? ...
In which of the following is the expansion of solids a disadvantage? ...
In a radioactive series \( ^{235} _{92}L \to ^{235} _{92}M \to ^{231} _{90}N \to ^{231} _{91}\phi...
Total internal reflection will not occur when light travels from ...