True or False: We have a limited amount of fossil fuels.
True.
False.

Answers

Answer 1

Answer: True because we have limited amount if it

Answer 2

Answer: true as fossil fuels are like oil or coal which will definitely run out

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What happens to a reflection of light that has struck a surface?A) It bounces off.
B) It becomes absorbed.
C) It gets transmitted.
D) It gains energy.

Answers

Answer:

A) It bounces off.

Explanation:

Bouncing back of light into the same medium is known as reflection of light

As per law of reflection we know that light incident on the surface at a given angle with respect to the normal then the angle of reflected light with the normal will be same

angle of incidence of light = angle of reflection of light

Also we know that incident light, reflected light and normal always lie in the same plane

So we can say that here correct answer will be

A) It bounces off.

Answer:

The answer is A) It bounces off

Explanation:

Refraction bends and Reflection bounces off. (I just took the test).

According to Ohm’s law, the ratio of voltage to current in a conductor isa. constant
b. variable

Answers

According to Ohm’s law, the ratio of voltage to current in a conductor is constant.

Answer: Option A

Explanation:

Ohm's law defines that an electric current flowing through the conductor between two ends is directly proportionate to the voltage at these two points. The introduction of a constant proportionality, resistance, gives a simple mathematical equation describing this relationship. Particularly, Ohm's law also mentions that R is constant in this respect, i.e. not dependent on the current.

$I=(V)/(R)$

Where,

I is the current conduction in amperes

V is the voltage calculated by the conductor in volts

R is the conductor’s resistance in ohms.

Answer:

Ohm's law states that the ratio of voltage (potential) to current is a constant in a conductor.

Explanation:

A concave mirror can produce _____.either a virtual image or a real image

a real image

a virtual image

a refracted image

Answers

Answer:

a virtual image

Explanation:

gradpoint

Which has more inertia a shopping cart full of groceries or an empty shopping cart

Answers

Ok, so you would want to define inertia before trying to answer the question. Inertia is basically the force of resistance on an object, or any change to its speed, because of natural factors, like friction or gravity. The shopping carts decribed above, based upon the definition of inertia, the shopping cart full of groceries would have more inertia.

Final answer:

Inertia is a property of an object that resists changes in motion, and its quantity is directly proportional to the object's mass. Therefore, a shopping cart full of groceries, having a greater mass, will exhibit more inertia than an empty shopping cart.

Explanation:

In physics, inertia refers to the tendency of an object to resist changes in its motion. The greater an object's mass, the greater its inertia, making it harder to start or stop its movement. In comparing a shopping cart full of groceries and an empty one, the cart full of groceries will have a higher mass, thus a greater inertia.

Consider an experiment where you exert the same amount of force on both carts. The full cart would be more resistant to change in motion and would move slower or a shorter distance than the empty one due to the higher inertia it possesses.

The same principle can be applied to a group of students using two carts (A and B) for a one-dimensional collision experiment. Cart B with unknown mass is initially at rest while cart A with known mass moves towards it. Since mass directly influences inertia, if cart B was loaded with materials (like a shopping cart full of groceries), it would be harder to shift its motion than if it were empty.