why would a long series of gradual ramps be better than one short, steep ramp for moving heavy blocks of stone?

Answers

Answer 1

Answer: Because it has more gravitational push on the object

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A 500 kg compact car and a 1500 kg truck are accelerated equally.which vehicle exerts more force?how many times more?(im guessing the 1500kg truck exerts more force but i don't know how to solve for how many times more)

Answers

The truck doesn't "exert more force".

It TAKES more force to accelerate the truck at the same rate
as the car, because the truck has more mass.

Think:
In order to move two rocks, you have to push harder on the heavy one
than you do on the lighter one.

How much more ?

In order to produce the same acceleration . . .

      half as much mass ===> half as much force

         twice as much mass ===> twice as much force

   ten times as much mass ===> ten times as much force

a 1500-kg truck
   compared to
a 500-kg car . . . triple the mass ===> triple the force, in order
   to accelerate them equally .

What is the namefor the ratio of the
voltage applied to
a circuit and the
current in a circuit?

Answers

Answer:

The relationship between voltage and current is called resistance. The relationship between all 3 is called Ohm's Law.

General Formulas and Concepts:
Circuits

Ohm's Law: V = IR

V is voltage/EMF
I is current
R is resistance

Explanation:

Ohm's Law is the fundamental basic for an ohmic surface. All circuits follow Ohm's Law if it is ohmic and assuming all other things constant. It tells the importance of the relationship between voltage, current, and resistance in a given current of a battery, wire, and resistor.

It is wise that you memorize this and understand the relationship between all 3.

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Learn more about EMAG: brainly.com/question/27293828

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Topic: AP Physics C - Electricity and Magnetism

Unit: Circuits

I don't understand the physics work power and energy unit

Answers

Work and energy are the same thing. Their unit is the Joule.
One joule means the energy it takes to push with a force of 1 newton
through a distance of 1 meter.

The unit of power is the Watt. That's the rate of work or energy.
One watt means using 1 joule of energy (for example, push with a force of
1 newton through a distance of 1 meter), and doing that in exactly 1 second.

What instrument uses a magnetic field to magnify imags up to 100000000?

Answers

transmission electron microscope

A car travels at a consant speed of 18.0m/s for 10.8s.
Determine all unknowns.

Answers

1. Distance: The car traveled a distance of 194.4 meters.
2. Displacement: The displacement is also 194.4 meters.
3. Velocity: The velocity of the car is
18.0 m/S.
4. Acceleration: The acceleration is O

If earth stops rotating then what will be the value of 'g' at poles

Answers

The value of 'g' is not affected by rotation at any place on Earth.

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