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Lemur [1.5K]
3 years ago
9

I Require Help on this Physics Question, I made an attempt at answering but I just have no idea.

Physics
1 answer:
Mashutka [201]3 years ago
5 0

Answer:

It traveled 24 centimeters

Explanation:

The displacement of the object is equal to the area under the velocity vs time graph.

We can split this graph into two shapes, a triangle and a rectangle.  So the total area is:

A = ½bh + wh

A = ½ (4 s − 0 s) (4 cm/s) + (8 s − 4 s) (4 cm/s)

A = 8 cm + 16 cm

A = 24 cm

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a force of 45 N isvexerted on an object, resulting in an acceleration of 5 m/s^2 for the object what will the objects accelerati
ki77a [65]

Answer:

the acceleration will be 10 m/s^2

Explanation:

the force applied to an object and the acceleration of the object are directly proportional, as Newton's second law states:

F=ma

where

F is the net force applied to the object

m is the object's mass

a is the object's acceleration

in the first example, a force F=45 N is applied to the object, giving it an acceleration of a=5 m/s^2. Therefore, the mass of the object is

m=\frac{F}{a}=\frac{45 N}{5 m/s^2}=9 kg

In the second example, the force is doubled, so it will be F=90 N. The mass is still m=9 kg, so the acceleration will be

a=\frac{F}{m}=\frac{90 N}{9 kg}=10 m/s^2

8 0
3 years ago
Napoleon's army captured the island of San Salvador, then moved on to occupy Louisiana and close the port of New Orleans.
pickupchik [31]
A. true

Quote" Napoleon's army captured the island of San Salvador, then moved on to occupy Louisiana and close the port of New Orleans."
3 0
4 years ago
What type of energy does gasoline have? How could you relate it to the movement of a vehicle that uses it?
Licemer1 [7]

Answer:

Chemical potential energy is the energy stored in the chemical bonds of a substance. The various chemicals that make up gasoline contain a large amount of chemical potential energy that is released when the gasoline is burned in a controlled way in the engine of the car.

Explanation:

5 0
3 years ago
When we learn new information, we often change
EastWind [94]
The data from our experiment.

3 0
3 years ago
Read 2 more answers
PLEASE HELP!!
astraxan [27]

Answer:

Explanation:

\lambda\\ = v/f

^That is the formula we are going to use.

Now, we were given the speed (v), which is 20.

Now we need to find frequency, in order to solve for the wavelength.

Frequency is the amount of waves in a fixed unit of one second, meaning our F value is the value of 5 divided by 4.

5/4 = 1.25

Therefore our F is 1.25

Now lets plug it in

\lambda\\ = v/f

\lambda\\ = 20/1.25

\lambda\\ = 16

Conversion:

\lambda\\ = 8

3 0
3 years ago
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