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3 years ago

PLEASE HELP I REALLY NEED IT

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

3 0

Answer:

9. Force is required to change an object velocity.Force is equal to mass times acceleration.

10. Force acting on object are paired with equal and opposite forces

Step-by-step explanation:

Newton's 2nd law states that force is a product of mass and acceleration.In this case, the force of friction is causing deceleration of the ball.This is an example of rolling friction.Acceleration of the ball depends directly on this friction but indirectly on its mass.

10.

From Newton's 3rd Law ,for every action there is an equal and opposite reaction.The astronaut throwing the ball will experience the effect of an external force againts his own which is equal and in the opposite direction to the force she applied.This is why the astronaut moves backward but slower.

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Sandeep has twice as much as sonia. together they have rs 150. how much money does sonia have.

Nimfa-mama [501]

It says Sandeep has twice as much as Sonia. Thus, let Sandeep's amount be 2x and Sonia's amount be x.

Now, together they have 150.

Thus, the equation;

x+2x=150

Now let's solve the equation;

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2 years ago

Graph each absolute value function. State the domain, range, and y-intercept.

SVEN [57.7K]

Answer:

The domain is $(-\infty,\infty)$ and its range is $[3,\infty).$

The y-intercept is (0,3).

Step-by-step explanation:

Consider the parent function $y=|x|.$ Its domain is $x\in (-\infty,\infty)$ and its range is $y\in [0,\infty).$

The graph of the function $y=|x|+3$ is obtained from the graph of parent function by translation 3 units up (see diagram). This translation doesn't change the domain and will change the range of the function, thus the domain is $(-\infty,\infty)$ and its range is $[3,\infty).$