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3 years ago

If igneous rock is placed under conditions of extreme heat and pressure, which type of rock will it become?

Physics

2 answers:

7nadin3 [17]3 years ago

8 0

Metamorphic rocks are formed under extreme heat and pressure

wariber [46]3 years ago

6 0

Igneous rock can change into sedimentary rock or into metamorphic rock. But in this case it would become a Sedimentary rock.

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What is the acceleration of a car that increases its velocity from 0 to 100 kilometers per hour in 10 seconds?

Lunna [17]

Answer:

0.00278 km/sec2 or 36,000 km/hr2 .

Explanation:

5 0

2 years ago

Compared with the amount of current in the filament of a lamp, the amount of current in the connecting wire is A. definitely les

pashok25 [27]

Compared with the amount of current in the filament of a lamp, the amount of current in the connecting wire is

D. the same.

As per the rule, the amount of current in devices connected in series is equal. here in the given situation , the wire is in series with the filament. that is the reason that the current in filament and wire is same.

hence the correct choice is D)

8 0

3 years ago

Read 2 more answers

A 225 kg block is pulled by two horizontal forces. The first force is 178 N at a 41.7-degree angle and the second is 259 N at a

yawa3891 [41]

Answer:

52.9 N, 364.7 N

Explanation:

First of all, we need to resolve both forces along the x- and y- direction. We have:

- Force A (178 N)

$A_x = (178 N)(cos 41.7^{\circ})=132.9 N\\A_y = (178 N)(sin 41.7^{\circ})=118.4 N$

- Force B (259 N)

$B_x = (259 N)(cos 108^{\circ})=-80.0 N\\B_y = (259 N)(sin 108^{\circ})=246.3 N$

So the x- and y- component of the total force acting on the block are:

$R_x = A_x + B_x = 132.9 N - 80.0 N =52.9 N\\R_y = A_y + B_y = 118.4 N +246.3 N = 364.7 N$

7 0

2 years ago

What would decrease the resistance of wires carrying an electric current

Murljashka [212]

I believe the answer is A. shorter wires

3 0

2 years ago

Read 2 more answers

2. A 50 kg diver is standing on the edge of a 15 m high cliff. What is his potential energy?

Lera25 [3.4K]

Answer:

3675 J

Explanation:

Gravitational Potential Energy = $\frac{1}{2}$ × mass × g × height

( g is the gravitation field strength )

Mass = 50 kg

G = 9.8 N/kg ( this is always the same )

Height = 15 m

Gravitational Potential Energy = $\frac{1}{2}$ × 50 ×9.8 × 15

= 3675 J

3 0

2 years ago