PHYSICS HIGH SCHOOL

Define the efficiency of an energy converter.

Answers

Answer 1
Answer: Efficiency = (output energy) divided by (input energy) .

It's always less than 1 .

Also, it's commonly expressed as a percent.  To get the percent,
just multiply the number by 100.

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Law of conservation of momentum

Which force is always pulling but never pushes and is directly influenced by mass

Answers

Answer: I know when it comes to magnetic objects the magnet always pulls not push.

Answer:

i believe it is gravity

Explanation:

the gravitational force is a force that attracts any two objects with mass. it pulls things together does not pushes them.

Kinetic energy is dependent on which of the following?A. mass only
B. velocity only
C. temperature only
D. mass and velocity

Answers

Kinetic energy can be found on the equation of (mv^2) /2 = KE therefore the answer is D. 

Fun fact: Temperature is the dependent of another form of energy called internal energy.

While Sophia was driving to work, she tried to avoid hitting an animal and instead hit a parked car. As the car stopped, her body continued to move forward at the same speed and in the same direction.What happened to Sophia’s body in the car accident is an example of

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This would be an illustration of Newton's first law of motion. Law of inertia, an object moving at constant velocity will keep moving at constant velocity until a force is acted upon it. Inertia is the tendency of an object to keep moving in a particular direction resisting to change, unless a force acts upon the object.

Which shows the correct order of forces, from weakest to strongest?o weak, strong, gravitational, electromagnetic
O electromagnetic, weak, strong, gravitational
O gravitational, weak, electromagnetic, strong
O weak, electromagnetic, gravitational, strong

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Answer: C. gravitational, weak, electromagnetic, strong

Explanation:

Got it right!!

Answer:Helle dudes

Explanation:


im the Batman

How many neutral points does a bar magnet have

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Answer:

There are two neutral points. At a neutral point, the net magnetic field becomes zero.

Explanation:

Water can dissolve many substances because it has an overall negative charge, allowing it to attack positively-charged ions.True or False?

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true 
1: Cation-positive charge2: Isotope-diff # of neutrons3: Element-it can be found on the periodic table(pure)4: Anion-negative charge5: Compound-even ration6: Ion-element with a charge(cations and anions are a more specific way of describing ions)Hope this helps!
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At the local grocery store, you push a 14.5-kg shopping cart. You stop for a moment to add a bag of dog food to your cart. With a force of 12.0 N you now accelerate the cart from rest through a distance of 2.29 m in 3.00 s. What was the mass of the dog food?
Robert Hook discovered cells when viewing a _____ under a microscope.boxbloodcorkplant
4. Two cars are travelling along a straight road, as shown below. The pass each other at pointB and then continue in opposite directions. The red car travels for 0.25 hours from point Bto point C at a constant velocity of 32 km/hr east. The blue car travels for 0.25 hours frompoints B to point D at a constant velocity of 48 km/hr. How far has each car traveled frompoint B? What is the position of each car relative to the origin, point A?