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Romashka [77]
3 years ago
7

Calculate, using a diagram, the resultant of the following vector combinations:

Physics
1 answer:
Veronika [31]3 years ago
4 0
Add them together with south being negative. (-350 + 25) to get 325 south
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If the speed of sound in air at 20 °C is 342m/s , what will be the increase in speed at 30 °C? with steps
andrew-mc [135]

Answer:

Hmm

Explanation:

I don't know sorry forgive me.

6 0
3 years ago
A student uses two magnets to pick iron screws out of a pile of scraps. Would more magnets attached to the top of the first two
Bond [772]

Answer:

any type of magnet or the number of magnet dosent matter its what matters is that iron is attracted to a magnet . Because iron is a metal and metals always attract magnet or any magenetic objects .

Explanation:

5 0
3 years ago
Any object that is given any initial velocity and which follows a path due to gravitational force acting on it and by the fricti
amm1812

Any object that is given any initial velocity and which follows a path due to gravitational force acting on it and by the frictional resistance of the atmosphere is called a projectile. This is because the object is projected and not influenced by anything except gravity.

5 0
3 years ago
A person uses eyeglasses with a power of -5.5 D. The lenses are 1.8 cm from the person's eye. What is the furthest this person c
bija089 [108]

Answer:

The correct answer is option B.

Explanation:

power(P)=\frac{1}{f}

f = focal length

P = -5.5 D (negative power means that lens is concave)

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1 m = 100 cm

f = -0.1818 m = -0.1818 × 100 cm= -18.18 cm

\frac{1}{f}=\frac{1}{u}+\frac{1}{v}

u=\infty

\frac{1}{-18.18 cm}=\frac{1}{\infty }+\frac{1}{v}

v = -18.18 cm

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6 0
3 years ago
HELP
svet-max [94.6K]

Answer:

Cold Front 3  //  Stationary Front 1  //  Warm Front 2  //  Occluded Front 4

Explanation:

It's simple.  Warm front means the warm air is pressing forward,  which is why it's a warm front.  Stationary Front, meaning they're at a standstill, also makes sense because stationary means not moving.  Then since your last option is Occluded Front, since the others already have an answer, you have no choice but to match 4 with it.  I took the quiz and got the answer right.  :D

6 0
3 years ago
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