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quester [9]
3 years ago
15

How do you explain newton’s second law

Physics
1 answer:
lana [24]3 years ago
8 0

Answer:

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Explanation:

Hope you get it right!

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A student produces a power of p = 0.87 kw while pushing a block of mass m = 75 kg on an inclined surface making an angle of θ =
Paul [167]

When block is pushed upwards along the inclined plane

the net force applied on the block will be given as

F_{net} = mg sin\theta + \mu_k mg cos\theta

here we know that

m = 75 kg

\theta = 8.5 degree

\mu_k = 0.16

now plug in all values into this

F_{net} = 75\times 9.8 sin8.5 + 0.16 \times 75\times 9.8 cos8.5

F = 225 N

now for finding the power is given as

P = Fv

0.87 \times 10^3 = 225 \time v

v = \frac{870}{225} = 3.87 m/s

6 0
3 years ago
A cork floats on the surface of an incompressible liquid in a container exposed to atmospheric pressure. The container is then s
yaroslaw [1]

Question:

A cork floats on the surface of an incompressible liquid in a container exposed to atmospheric pressure. The container is then sealed and the air above the liquid is evacuated. The cork:

A. sinks slightly  

B. rises slightly  

C. floats at the same height  

D. bobs up and down about its old position

Answer:

The correct answer is C)  floats at the same height  

Explanation:

The liquid is incompressible because its density very high and leaves no room for further compaction whether or not there is atmospheric pressure. So when you put a cork on the liquid, pressure or no pressure, there is no displacement hence it floats on the same height regardless of the absence of air.

Cheers!

6 0
3 years ago
What type of OS is very fast and small, and is often embedded, or built into the circuitry of a device?
Bezzdna [24]

Answer:

Real time operating system (RTOS)

Explanation:

  • Real time operating system is an operating system software which is used for the real-time applications that processes the data as soon as the input comes to the system.

It is very fast because it processes the data without any buffer delays.

  • In RTOS the scheduler provides a deterministic time which is predicted for the execution pattern. In a real-time operation the system must respond to each sequence of execution within a certain time frame which is the deadline for the operation so that the next inline process can be executed. Hence it is used in embedded systems and circuitry devices.
7 0
3 years ago
HELP
liq [111]
It means that the soccer ball is a soccer ball bc it’s a soccer ball yk ?
7 0
3 years ago
Harry and Cassie wanted to conduct an experiment to see how many licks it takes to get to the center of a tootsie roll pop. Belo
umka2103 [35]

Hey there!

The answer is that The data was not reliable because there was not any repetition.

An experiment should be completed multiple times to be sure of accurate results.

A screenshot is attached.

Hope this helps! :)

6 0
4 years ago
Read 2 more answers
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