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The civil rights movement was a struggle struggle for social justice that took place mainly during the 1950s and 1960s for blacks to gain equal rights under the law in the United States. The Civil War had officially abolished slavery, but it didn’t end discrimination against blacks—they continued to endure the devastating effects of racism, especially in the South. By the mid-20th century, African Americans had had more than enough of prejudice and violence against them. They, along with many whites, mobilized and began an unprecedented fight for equality that spanned two decades.
Answer:
B. The 55 N cat has less mass than the 110 N dog.
Explanation:
Given;
weight of the cat, W₁ = 55 N
Weight of the dog, W₂ = 110 N
distance between the cat and the dog, d = 2 m
The acceleration due to gravity (g) acting on both animals is the same irrespective of their different positions.
g = 9.8 m/s²
Force of gravity, F = W = mg
where;
m is the mass of the animals
The mass of the cat = m₁ = W₁/g
m₁ = 55/9.8 = 5.6 kg
The mass of the dog = m₂ = W₂/g
m₂ = 110/9.8 = 11.22 kg
Therefore, it can be seen that the mass of the cat is less than the mass of the dog.
