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dsp73
3 years ago
5

Which statement is accurate about mass and weight?

Physics
1 answer:
kirza4 [7]3 years ago
4 0

Answer:  2. Weight can be measured in pounds.

Explanation:  1. False.  Mass can be measured in kilograms not Newton’s.  Newton’s is a measurement of force not mass.  

3.  False.  A bowling ball is more massive, therefore when multiplied by acceleration of gravity it weighs more.

4. False.  In different gravitational fields such as the moon versus the earth, objects will have different weights.

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What is the speed of a transverse wave in a rope of length 3. 1 m and mass 86 g under a tension of 380 n?
Nitella [24]

117 m/sec is the speed of a transverse wave in a rope of length 3. 1 m and mass 86 g under a tension of 380 n.

The wave speed v is given by

v= √τ/μ

​where τ is the tension in the rope and μ is the linear mass density of the rope.

The linear mass density is the mass per unit length of rope :

μ= m / L = (0.086 kg)/(3.1 m)=0.0277 kg/m.

v= \sqrt{ \frac{380 N}{0.0277 kg/m}}  = 117.125 m/sec (approx. 117 m/sec

In physics, a transverse wave is a wave whose oscillations are perpendicular to the direction of the wave's advance. This is in contrast to a longitudinal wave which travels in the direction of its oscillations. Water waves are an example of transverse wave.

Transverse waves commonly occur in elastic solids due to the shear stress generated; the oscillations in this case are the displacement of the solid particles away from their relaxed position, in directions perpendicular to the propagation of the wave. These displacements correspond to a local shear deformation of the material. Hence a transverse wave of this nature is called a shear wave. Since fluids cannot resist shear forces while at rest, propagation of transverse waves inside the bulk of fluids is not possible.

Learn more about Transverse waves here : brainly.com/question/13761336

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3 0
2 years ago
Please help me! I don’t get this
goldfiish [28.3K]

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