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3 years ago

A spring scale can be used on

Physics

2 answers:

RoseWind [281]3 years ago

8 0

Answer: The correct answer would be C. Both moving and non-moving objects, no matter the speed.

marishachu [46]3 years ago

7 0

D. both moving and non-moving objects as long as they move very slowly

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In the 1960s what dance was being created in the west coast

DerKrebs [107]

The dance that was being created was Hip Hop dance!

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3 years ago

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ONLINE CALCULATOR .A force of 187 pounds makes an angle of 73 degrees 36 ' with a second force. The resultant of the two forces

saul85 [17]

Answer:

The magnitudes of the second force is $Z = 129.9 N$

The magnitudes of the resultant force is $R = 256.047 N$

Explanation:

From the question we are told that

The force is $F = 187 \ lb$

The angle made with second force $\theta_o = 73 ^o 36' = 73 + \frac{36}{60} = 73.6^o$

The angle between the resultant force and the first force $\theta _1 = 29 ^o 1 ' = 29 + \frac{1}{60} = 29.0167^o$

For us to solve problem we are going to assume that

The magnitude of the second force is Z N

The magnitude of the resultant force is R N

According to Sine rule

$\frac{F}{sin (\theta _o - \theta_1 } = \frac{Z}{\theta _1}$

Substituting values

$\frac{187}{sin(73.3 - 29.01667)} =\frac{Z}{sin (29.01667)}$

$267.82 =\frac{Z}{0.4851}$

$Z = 129.9 N$

According to cosine rule

$R = \sqrt{F ^2 + Z^2 + 2(F) (Z) cos (\theta _o) }$

Substituting values

$R = \sqrt{187^2 + 129.9 ^2 + 2 (187 ) (129.9) cos (73.6)}$

$R = 256.047 N$

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3 years ago

Which Sentence Describes A Physical Property

Alina [70]

The answer is (a).

Golf balls have a higher density than water hence sink to the bottom.

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3 years ago

Which property of sound waves decreases as the square of the distance from the source increases?

AleksAgata [21]

A. Pitch

okay bye have a nice day

From: Charli

5 0

2 years ago

Read 2 more answers

Boxes are transported from one location to another in a warehouse by means of a conveyor belt that moves with a constant speed o

krek1111 [17]

Answer:

P = 15.90 W

Explanation:

given,

speed of conveyor belt = 0.56 m/s

conveyor belt move up to = 2 m

angle made with the horizontal = 15°

mass of the box = 2.1 kg

rate is the force of the conveyor belt doing work on the box as the box moves up

P = F v cos ∅

P = 3 × 9.8 × 0.56 × cos 15°

P = 15.90 W

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3 years ago