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3 years ago

Determine the Net Force acting on the object (represented by the solid circle) in this diagram.

Physics

1 answer:

wlad13 [49]3 years ago

6 0

Answer:

200 N to the left

Explanation:

If we say left is negative and right is positive, then the net force is:

∑F = -300 N + 100 N

∑F = -200 N

The net force is 200 N to the left.

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A compound eye __________. ANSWER Unselected is composed of thousands of prisms that focus light onto only a few photoreceptor c

babymother [125]

Answer:

contains many individual light detectors, each with its own lens

Explanation:

The compound eye is found mainly in insects and crustaceans, it is composed of individual receptor units, each with its focus, sensing nerve; each one gives a small image of the environment, so the image is mosaic type, not a complete integral image of the environment.

When reviewing the different statements, the correct one is

contains many individual light detectors, each with its own lens

8 0

3 years ago

What is the resultant of a pair of one pound forces at right angles to each other?

OleMash [197]

Answer:

$F_R=\sqrt{2} \ pound.force$

Explanation:

Given that there are two force of 1 pound each at right angles to each other.

The from the vector law of addition:

$F_R=\sqrt{F_1^2+F_2^2}$

where:

$F_R=$ resultant force

$F_1\ \&\ F_2$ be the two of the forces to be added.

$F_R=\sqrt{1^2+1^2}$

$F_R=\sqrt{2} \ pound.force$

8 0

4 years ago

Jan is holding an ice cube. What causes the ice to melt?

zmey [24]

It would be the temperature of her hand and also because it is going through the process of the water cycle it is changing from a solid to a liquid

6 0

4 years ago

) or<br> The best places to take a pulse are at the radial artery (<br> the carotid artery (

Sergio039 [100]

Answer:

on edge, it is all of them:

carotid

brachial

radial

femoral

popliteal

dorsalis pedis

Explanation:

7 0

3 years ago

if you drop a softball from just above your knee, the kinetic energy of the ball just before it hits the ground is about 1 jule,

ipn [44]

False.

The mass of a softball is approximately 200 g (0.2 kg), while the knees are located approximately at 30 cm (0.3 m) from the ground. It means that the gravitational potential energy of the ball when it is dropped is
$U=mgh=(0.2 kg)(9.81 m/s^2)(0.3 m)=0.6 J$

This corresponds to the total mechanical energy of the ball at the moment it is dropped, because there is no kinetic energy (the ball starts from rest). Then the ball is dropped, and just before it hits the ground, all this energy is converted into kinetic energy: but energy cannot be created, so its final kinetic energy cannot be greater than 0.6 J.

7 0

3 years ago