Which stream has the greatest potential energy on the top: stream with steeper slope or stream with gentle slope?

Answers

Answer 1

Answer: i think the stream with the steep slope but i'm not entirely sure.

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Can somebody match the following ???

Contrast the movement of charges in a series circuit and in a parallel circuit.

Answers

In a series circuit, there is only one possible path from one battery
terminal, through the circuit, to the other battery terminal. All of the
current that leaves one side of the battery travels exactly the same
path to the other side of the battery. There's never any point in the
circuit where the current has a choice of which way to go.

In a parallel circuit, there are different possible paths. On its way
through the circuit, the current comes to a point where it has a
choice of going this way or that way. What happens at that point
is that the current splits up ... part of it goes this way, and the rest
of it goes that way, and it all joins up together again somewhere
else in the circuit.

Help me pleaseee...A 200kg piano sitting on a platform 2 m high has 3920 J off potential energy. It required 4500 J of work to push the piano up a ramp to the platform. What is the best explanation for the difference between the amount of work required to move the piano and its potential energy?
A) the piano lost mass as it was pushed up the ramp.
B) energy was destroyed moving the piano up the ramp.
C) some of the energy required to push the piano up the ramp was used to overcome friction between the piano and the ramp.
D) the work required to push the piano up a ramp is greater because the force is the same as if it were lifted, but the distance is greater when using a ramp.

Answers

Answer:

Explanation:

Answer:

C) some of the energy required to push the piano up the ramp was used to overcome friction between the piano and the ramp.

Explanation:

The ________________ is the measure of how far the pendulum is offset (or pulled back) from a vertical position when it is released.A. Period
B.Amplitude
C. Pivot
D. Bob

Answers

B. Amplitude

It is the maximum distance from the equilibrium point of the pendulum.

Barry has a 10 kg object. He exerts a horizontal force which causes it to accelerate at 5 m/s2, moving it a distance of 20 m, horizontally. Calculate the work done by the force.

Answers

Answer:

Work done by the force is 1000 Joules

Explanation:

The relation ship between the variables is as follows:

(Work W) = (Force F) x (Displacement d) = (Mass m) x (Accelleration a) x (Displacement d)

so:

$W = m\cdot a\cdot d = 10 kg \cdot 5 (m)/(s^2) \cdot 20 m = 1000 J$

A rock is placed into a graduated cylinder containing 80 mL of water. What is the volume of the rock if the water level rises to the 120 mL mark?

Answers

If a rock is placed into a graduated cylinder containing 80 mL of water. then the volume of the rock would be 40 if the water level rises to the 120 mL mark

What is density?

It can be defined as the mass of any object or body per unit volume of the particular object or body. Generally, it is expressed as in gram per cm³ or kilogram per meter³.

the density of the rock = mass of the rock /volume of the rock

As given in the problem A rock is placed into a graduated cylinder containing 80 mL of water.

The volume of the rock =120 milliliter - 80 milliliter

= 40 milliliter

Thus, the volume of the rock would be 40 milliliters.

To learn more about density from here, refer to the link;

brainly.com/question/15164682

#SPJ2

Ok so the expression that you will be doing is water-water+object. The actual expression is 120-80. The answer would be 40mL. Remember, don't forget your units! :)

Newton's _____ Law states that an object's acceleration is directlyrelated to the net force applied and inversely related to the mass of the object.

Answers

Answer:

Newton's second Law states that an object's acceleration is directly related to the net force applied and inversely related to the mass of the object.

Explanation:

Newton's second law states that when force is applied on an object, then it causes acceleration which is directly dependent on the net force applied and varies inversely with the mass of the object.

This law gives us the following equation:

$F=ma$