Okay so i have a few questions:
1. an individual has a weight of 735 newton’s. what is the in...
Physics, 13.09.2019 11:10 tashaunalewis4786
Okay so i have a few questions:
1. an individual has a weight of 735 newton’s. what is the individual’s mass? show the appropriate equation and show your work
2. a temperature of a 50kg block increases by 15 degrees celsius when 337,500 j of thermal energy are added to the block. what is the specific heat of the object? show your work
(what is the block made of? ) (is this block a good material for insulators or conductors)
3. describe how the velocity and acceleration of a skydiver changes as she falls from the plane back to the ground.
Answers: 2
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How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
Answers: 2
Physics, 22.06.2019 20:30
Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600
Answers: 2
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Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object
Answers: 1
Physics, 22.06.2019 21:00
What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.
Answers: 1
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