Which of these is true of a chemical reaction? (a) energy is always transferred from reactants to products. (b) Energy is transf
2 answers:
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Answer:
1.07 x 10⁻⁸N
Explanation:
Given parameters:
Mass 1 = 200kg
Mass 2 = 500kg
Distance of separation = 25m
Unknown:
Gravitational attraction between the two bodies = ?
Solution:
To solve this problem, we use the equation of the universal gravitation;
F =
G is the universal gravitation constant = 6.67 x 10⁻¹¹Nm²kg⁻²
r is the distance
Now insert the parameters and solve;
F = = 1.07 x 10⁻⁸N
Answer:T=116.84 N
Explanation:
Given
Weight of hiker =1040 N
acceleration
Force exerted by Rope is equal to Tension in the rope