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igor_vitrenko [27]
3 years ago
9

What makes an object stop, speed up, slow down or change direction? V2

Physics
1 answer:
ycow [4]3 years ago
5 0

Your answer: Force

Explanation: The action from a force can cause an object to move or speed up, slow down, stop or change directions.

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Emmit is lifting a box vertically which forces are necessary for calculating the total force
zavuch27 [327]

Answer:

FG and FP

Explanation:

Gravitational Force(FG) because the box is being pulled down and a resistance force pushing up because he is pushing(FP) up on the box.

I hope this helps!

4 0
3 years ago
Two spheres A and B are projected off the edge of a 1.0 m high table with the same horizontal velocity . sphere A has a mass of
olga2289 [7]

Answer:

c. because A will land first becuase its heavier :)

Explanation:

8 0
2 years ago
What's the equivalent resistance to the resistances shown?<br><br>A) 5<br>B) 6<br>C) 2<br>D) 3
PIT_PIT [208]
From A to B its 5 ohm.
above shown 6 and 12 ohm resistors are in parallel to short circuit hence their equivalent resistance is zero.
(Current doesnt flow through a resisstor if there is a Short circuit alternate.
6 0
3 years ago
5. How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a
Lyrx [107]

Answer:

40h

Explanation:

Use the velocity formula to solve

v = \frac{d}{t}

In this question, you are given velocity v = 45km/h, and you are given a distance, d = 1800km.  Time in this question is what you'll need to find.

Start by rearranging the velocity formula, to isolate for t.

v = \frac{d}{t}

Start by multiplying both sides by t

v(t) = \frac{d}{t}(t)\\\\vt = d

Then divide both sides by v.

vt\frac{1}{v} = d/v\\ \\t = \frac{d}{v}

Now that you've isolated for time, sub in your values and calculate.

t = \frac{d}{v} = \frac{1800km}{45km/h} = 40 h

8 0
2 years ago
A crane exerts a net force of 900 N upward on a 750-kilogram car as the crane starts to lift the
Darya [45]

The acceleration of the car is 1.2 m/s^2 upward

Explanation:

We can solve the question by using Newton's Second Law of motion, which states that:

F=ma

where

F is the net force exerted on an object

m is the mass of the object

a is its acceleration

In this problem, we know that:

F = 900 N is the net force exerted on the car

m = 750 kg is the mass of the car

Solving the equation for a, we find the acceleration of the car:

a=\frac{F}{m}=\frac{900}{750}=1.2 m/s^2

and it is in the same direction as the force (upward).

Learn more about Newton's second law of motion here:

brainly.com/question/3820012

#LearnwithBrainly

8 0
3 years ago
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