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lilavasa [31]
4 years ago
7

PLEASE HURRY AND HELP ME

Physics
1 answer:
laila [671]4 years ago
5 0

Answer:

I believe the answer would be C. point z

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The speed of sound in air is 348m/s<br>what is the tempructure ?​
Yuki888 [10]

Answer:

what is tempructure

just asking

4 0
3 years ago
A mass attached to a spring is displaced from its equilibrium position by 5cm and released. The system then oscillates in simple
jok3333 [9.3K]

Answer:

C) 1 s

Explanation:

The period of a mass-spring system is given by the formula:

T=2\pi \sqrt{\frac{m}{k}}

where

m is the mass hanging on the spring

k is the spring constant

As we can see from the equation above, the period of the system does NOT depend on the initial amplitude of the oscillation. Therefore, even if the initial amplitude is changed from 5 cm to 10 cm, the period of the system will remain the same, 1 s.

4 0
4 years ago
In a laboratory experiment, an ultrasound detector located at D is used to measure the distances of two moving objects, P and Q.
Tatiana [17]
D^2 = p^2 + q^2  - 2 pq cos D

d^2 = (4.24)^2 + (4.24)^2  - 2. (4.24) (4.24) cos 68

d^2 = 2 (4.24)^2 -  2. (4.24) (4.24) cos 68

d = 4.74

so the answer will be letter. C

hope this helps
8 0
3 years ago
Read 2 more answers
Two objects, one having three times the mass of the other, are dropped from the same height in a vacuum. At the end of their fal
gogolik [260]

Answer:

Two objects will have the equal velocities but the forces on both of them will not be equal. The equal velocities of these objects are due to their equal acceleration.

Explanation:

From the newton's equation

v^{2} -u^{2} = 2as

so here we can say that velocity does not depends on the mass.

The acceleration of both objects will be same but not the forces because

F = Ma

As the force is depending on the mass so it will not be the same for both objects.

5 0
3 years ago
Read 2 more answers
Approximating the eye as a single thin lens 2.70 cm from the retina, find the focal length of the eye when it is focused on an o
Daniel [21]

The focal length will be = 2.67 cm

The distance between the convex lens or a concave mirror and the focal point of a lens or mirror is called the focal length. It is the point where parallel rays of light meet or converge.

given

u (object distance) = 260 cm

v (image distance) = 2.70 cm

f (focal length) = ?

using lens formula

1/f = 1/u + 1/v

    = 1/260 + 1/2.70

    = 2.67 cm

The focal length will be = 2.67 cm

To learn more about focal length here

brainly.com/question/14104969

#SPJ4

5 0
2 years ago
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