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3 years ago

What should we do to be a computer engineer ‍ ‍?

Physics

2 answers:

ycow [4]3 years ago

6 0

Answer:

to be an eginere u would have to go to college and study hard

Explanation:

____ [38]3 years ago

5 0

Study and go to university/college

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Two blocks of masses M and 2M are initially traveling at the same speed v but in the opposite directions. They collide and stick

Hatshy [7]

Answer:

Explanation:

Given

Two masses M and 2 M with velocity v in opposite direction

After collision they stick together

Initial momentum

$P_i=Mv-2Mv$

final momentum

$P_f=3Mv'$

Conserving momentum

$P_i=P_f$

$-Mv=3Mv'$

$v'=\frac{v}{3}$

i.e. system moves towards the direction of 2M mass

Initial kinetic Energy $K_1=\frac{1}{2}Mv^2+\frac{1}{2}2Mv^2$

$K_1=\frac{3}{2}Mv^2$

Final Kinetic Energy $K_2=\frac{1}{2}\cdot (3M)\cdot (\frac{v}{3})^2=\frac{3}{18}Mv^2$

loss of Energy $=K_1-K_2$

$=\frac{3}{2}Mv^2-\frac{3}{18}Mv^2$

$=\frac{4}{3}Mv^2$

3 0

3 years ago

A seagull flies at a velocity of 9.00 m/s straight into the wind. (a) if it takes the bird 20.0 min to travel 6.00 km relative t

enot [183]

Here we will the speed of seagull which is v = 9 m/s

this is the speed of seagull when there is no effect of wind on it

now in part a)

if effect of wind is in opposite direction then it travels 6 km in 20 min

so the average speed is given by the ratio of total distance and total time

$v_{avg} = \frac{6000}{20*60}$

$v_{avg} = 5m/s$

now since effect of wind is in opposite direction then we can say

$V_{net} = v_{bird} - v_{wind}$

$5 = 9 - v_{wind}$

$v_{wind}= 4 m/s$

Part b)

now if bird travels in the same direction of wind then we will have

$v_{net}= v_{bird} + v_{wind}$

$v_{net} = 9 + 4 = 13 m/s$

now we can find the time to go back

$time = \frac{distance}{speed}$

$time = \frac{6000}{13}$

$time = 7.7 minutes$

Part c)

Total time of round trip when wind is present

$T = t_1 + t_2$

$T = 20 + 7.7 = 27.7 min$

now when there is no wind total time is given by

$T = \frac{6000}{9} + \frac{6000}{9}$

$T = 22.22 min$

So due to wind time will be more

4 0

4 years ago

How is an experiment is actually conducted

NeX [460]

By using the scientific method

3 0

3 years ago

As a motorcycle takes a sharp turn, the type of motion that occurs is called _______________ motion.

Darya [45]

Answer:

circular motion

Explanation:

As a motorcycle takes a sharp turn, the type of motion that occurs is called circular motion.

Circular motion is a movement of an object along a circular path. As this motorcycle makes the sharp turn, it is acted upon by a centripetal force which directs the motorcycle towards the center.

Therefore, circular motion is the correct answer to the question.

4 0

4 years ago

What happens to light when it enters a lens? A) It speeds up B) It is reflected C) It is refracted D) It becomes brighter.

choli [55]

When light enters a lens, C) it is refracted.
Since it is bent when it enters a lens, it has to be refracted.

6 0

3 years ago

Read 2 more answers

What should we do to be a computer engineer ‍ ‍?​

What should we do to be a computer engineer ‍ ‍?