PHYSICS HIGH SCHOOL

What is the net force acting on the child? –100 N 0 N 100 N 200 N

Answers

Answer 1
Answer:

The net force acting on the child is 200N.

What is Net force?

When two or more forces are acting on the system of objects, then the to attain equilibrium, net force must be zero.

The net force acting on the child will be

Net force = Sum of all the individual force with sign

Net force = -100 + 0 + 100 +200

Net force = 200 N.

Therefore, the net force acting on the child is 200 N.

Learn more about net force.

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Answer 2
Answer: -100+0+100+200
=
200 N

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If all of the forces acting on an object balance so that the net force is zero, then(A) the object must be at rest
(B) the object’s speed will decrease
(C) the object will follow a parabolic trajectory
(D) the object’s direction of motion can change, but its speed cannot
(E) None of the above

Answers

What is water made up of?

Answers

Pure water is made up of a huge number of water molecules.

Each water molecule is made of two Hydrogen atoms and one
Oxygen atom, locked together by the electrons they share.
2 Hydrogen and 1 Oxygen otherwise known as H2O, if that's what your looking for

If you place one staple on an electronic balance, the balance still reads 0.0 grams. However, if you place210 staples on the balance, it reads 6.80 grams. What is the mass of one staple?

Answers

mass of 1 staple = 6.8 g/210 staples
mass of 1 staple  = 0.032380952 g
Hope that helps!!

Answer:

210/6.8 = 1/x

210x = 6.8

x = 0.03238 grams = 32.4 milligrams

Potential energy is the energy

Answers

....possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors

Answer:

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Explanation:

Potential energy is the energy stored in a body due to the body’s positioning or state.

Which statement best describes the energy changes that occur while a child is riding on a sled down a steep, snow-covered hill? @4.3.8.A @2A)
Kinetic energy decreases and potential energy increases.


B)
Kinetic energy increases and potential energy decreases.


C)
Both potential and kinetic energy decrease.


D)
Both potential and kinetic energy increase

Answers

Answer is B)
When a child is riding on a sled down a steep, snow-covered hill, his elevation decreases and hence Kinetic energy increases and potential energy decreases.

Hope it helps!

You run straight off a high diving board at a speed of 6 m/sec. You hit the water 2 seconds later.a. How far did you travel horizontally during the 2 seconds?
b. How far did you travel vertically during the 2 seconds?
c. How fast were you moving horizontally when you hit the water?
d. How fast were you moving vertically when you hit the water?

Answers

My answers are in the comments. Sorry for the repeated answers on some of them
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