A show piece is a cuboid made of glass plates. The edges are decorated with colour tape held together the plates. If the dimensions are 32cm, 28cm, and height 35cm. Find the area of the glass and length of the tape required.
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Answer:
1. The distance between a 40-kg person and a 30-kg person is 2 m. What is the magnitude
of the gravitational force each exerts on the other. Universal constant = 6.67 x 10-11 N
m2/kg2
The distance between Earth and Moon (r) is 3.84 x 108 m. What is the magnitude of
gravitational force each exerts on the other?
3. The distance between Earth and Moon (r) is 3.84 x 108 m. What is the magnitude of
gravitational force each exerts on the other?
Earth's mass (mE) -5.97 x 1024 kg
Moon's mass (mM) 7.35 x 1022 kg
4. Suppose two people are standing 1.0 meters apart from each other. According to Newton,
they have a gravitational attraction between them. Calculate the gravitational force
between the two people if they have masses of 88.0 kg and 79.0 kg. Leave your final
answer in scientific notation.
5. What is the force of attraction between two students of mass 20 kg, and 10 meters apart?
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