Omg, give me some advice about phizics i have to study it

Answers

Answer 1

Answer: I would give some if I at least had phisics...

Answer 2

Answer: Try to develop the highest amount of questios you can, and watch videos about it on youtube, this should help

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1. How does the friction affect forwardmotion? Give an example. 2. Describe two ways to change the frictional force between two solids surfaces. Change the lubrication between the two surfaces Change the normal force between the two surfaces3. How does air resistance affect the velocity of a falling object? 4. What two sources of friction do you have to overcome when you are walking? 5. If you push a chair across the floor at a constant velocity, how does the force of friction compare with the force exert? Explain. 6. If you push a book against a wall hard enough, it will not slide down even though gravity is pulling it. Use what you know about Newton’s laws of motion to explain why the book doesn’t fall.
force is measured in newtons. A newton is based on base units in the metric system. What is a newton equal to in terms of units of mass and acceleration

a baseball bat is in contact with a ball for 0.02 seconds, and exerts a force of 400 newtons. what is the impulse on the ball?

Answers

Answer:

I=8 Nw.s

Explanation:

Impulse

It is a physical magnitude that measures the force applied to an object by the time that force is acting. It produces a change in the momentum of the object, which is expressed in the following formula

$I=\Delta p=m(v_2-v_1)=F.t$

We know the bat applies a force on the ball of F=400 N during t=0.02 sec, thus the impulse is

$I=(400) (0.02)=8\ Nw.s$

$\boxed{I=8\ Nw.s}$

Apr 22, 1:11:18 PMA certain television is advertised as a 20-inch TV (the diagonal length). If the width of
the TV is 16 inches, how many inches tall is the TV?

Answers

Answer: 4 inches I believe.

Explanation:

Answer: It’s 12

Explanation:

The SI units for measuring the velocity of the car: The SI units for measuring the acceleration of the car: The SI units for measuring force: The SI units for measuring mass:

Answers

Answer:

The SI unit of velocity, acceleration, force and mass of the car are m/s, m/s², kg-m/s² and kg.

Explanation:

SI unit is the international system units.

We need to define the SI unit of velocity, acceleration, force and mass of the car

The SI unit of velocity is

$v = m/s$

The SI unit of acceleration is

$a = m/s^2$

The SI unit of force is

$F = N=kg-m/s^2$

The SI unit of mass is

$m =kg$

Hence, The SI unit of velocity, acceleration, force and mass of the car are m/s, m/s², kg-m/s² and kg.

Velocity ... m/s (meters per second) and angle

Acceleration ... m/s^2 and angle

Force ... Newton (kg-m/s^2) and angle

Mass ... kilogram

A stress is considered a "bad" stress when it A. cannot be eliminated. B. keeps a person from feeling good. C. challenges a person to do better. D. doesn't lead to a productive end.

Answers

The answer is either c or d

How long do CFC molecules remain active in the stratosphere?a. 10 to 50 years
b. 30 to 60 years
c. 60 to 120 years
d. 150 to 500 years

Answers

The CFC molecules remain intact and active long enough to make it into the stratosphere and can then stay active for up to a century!

What characteristics of a force can be measured?

Answers

Direction and Strength can be measured of force

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