3 years ago

In general relativity, gravitational red shift is caused by

Physics

1 answer:

kvasek [131]3 years ago

7 0

Option D would be the correct one!

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A student stands on a scale, and the scale reads 85 N. What is being measured by the scale

Dmitry [639]

Force. Force is measured by newtons, probably because he came up with the equations to calculate force.

Hope this helps!

5 0

3 years ago

1. When an object is at rest, not moving, and is crashed into by another

wlad13 [49]

Answer:

both experience forces or at least a force

Explanation:

it would go in the direction the other object

(second object, the one that crashed) was going

si if going right then right if left then left

plus or minus

4 0

3 years ago

To calculate work done on an object, _____. A. multiply the force in the direction of motion by the distance the object moved B.

o-na [289]

I believe your answer would be B, hope it helps

6 0

3 years ago

Read 2 more answers

A far-sighted person has a near-point of 80 cm. To correct their vision so that they can see objects that are as close as 10 cm

bekas [8.4K]

Answer:

$f = 8.89 cm$

Explanation:

As we know that Far sighted person has near point shifted to 80 cm distance

so he is able to see the object 80 cm

now the distance of lens from eye is 2 cm

and the person want to see the objects at distance 10 cm

so here the image distance from lens is 80 cm and the object distance from lens is 8 cm

now from lens formula we have

$\frac{1}{d_i} + \frac{1}{d_0} = \frac{1}{f}$

$-\frac{1}{80} + \frac{1}{8} = \frac{1}{f}$

$f = 8.89 cm$

3 0

3 years ago

A crane is holding up a concrete block with a steel cable. What is a contact force that is acting on the block?

miv72 [106K]

Answer:

Tension.

Explanation:

I just had this question so I hope it sort of helps.

8 0

3 years ago