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Gwar [14]
3 years ago
11

What are the three formulas (one formula rearranged three ways) which describe the relationship

Physics
1 answer:
telo118 [61]3 years ago
4 0

Equation of Newton's second law of motion:

F=ma\\a=\frac{F}{m}\\m=\frac{F}{a}

Explanation:

The equation that gives the relationship between force, mass and acceleration is Newton's second law of motion:

F=ma

where:

F is the net force acting on an object

m is the mass of the object

a is the acceleration of the object

This equation basically tells that whenever there is a net non-zero force acting on an object, the object accelerates.

The equation can be re-arranged in three ways:

(1) F=ma (standard formula)

(2) Then we can re-arrange by making a the subject, and we get

a=\frac{F}{m}

(3) Then we can further re-arrange the make the mass the subject, and we get

m=\frac{F}{a}

Learn more  about Newton's second law:

brainly.com/question/3820012

#LearnwithBrainly

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On a road trip, you travel from the 100 mile marker to the 250 mile marker in 2 hours. How fast are you going?
kenny6666 [7]
2.5 miles an hour but yea hope that helps
3 0
2 years ago
A 1 800-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.60 m before coming into contact
N76 [4]

Answer:

F = 614913.88 N

Explanation:

We are given;

Mass of pile driver; m = 1800 kg

Height of fall of pole driver; h = 4.6 m

Depth driven into beam; d = 13.6 cm = 0.136 m

Now, from energy equations and applying to this question, we can write that;

Workdone = Change in potential energy

Formula for workdone is; W = F × d

While the average potential energy here is; W = mg(h + d)

Thus;

Fd = mg(h + d)

Where F is the average force exerted by the beam on the pile driver while in bringing it to rest.

Making F the subject, we have;

F = mg(h + d)/d

F = 1800 × 9.81 × (4.6 + 0.136)/0.136

F = 614913.88 N

7 0
3 years ago
An electric field around the rubbed balloon exerts a force that pulls the paper. Identify the contact forces and the field force
melamori03 [73]

Answer: the contact force is when you rub the balloon on a surface

Explanation:

4 0
2 years ago
Read 2 more answers
A department store sells an ""astronomical telescope"" with an objective lens of 30 cm focal length and an eyepiece lens of foca
Yuliya22 [10]

Answer:

The magnifying power of this telescope is (-60).

Explanation:

Given that,

The focal length of the objective lens of an astronomical telescope, f_o=30\ cm

The focal length of the eyepiece lens of an astronomical telescope, f_e=5\ mm=0.5\ cm

To find,

The magnifying power of this telescope.

Solution,

The ratio of focal length of the objective lens to the focal length of the eyepiece lens is called magnifying of the lens. It is given by :

m=\dfrac{-f_o}{f_e}

m=\dfrac{-30}{0.5}

m = -60

So, the magnifying power of this telescope is 60. Therefore, this is the required solution.

7 0
3 years ago
A standard 1 kilogram weight is a cylinder 40.0 mm in height and 53.5 mm in diameter. What is the density of the material?
jek_recluse [69]

Answer:

1.15*10^-5 kg/m^3

Explanation:

Given data

mass= 1kg

hieght= 40 mm

diameter= 52.5mm

radius= 53.5/2= 26.25mm

The volume of the cylinder

V=πr^2h

V=3.142*26.25^2*40

V=3.142*689.0625*40

V=86601.375 mm^3

Density= mass/volume

Density= 1/86601.375

Density=0.00001154716

Density= 1.15*10^-5 kg/m^3

Hence the density is  1.15*10^-5 kg/m^3

8 0
3 years ago
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