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Kruka [31]
3 years ago
8

Im eathan and im 13.....

Physics
2 answers:
lorasvet [3.4K]3 years ago
6 0

Answer:

Yes

Explanation:

Have a nice day

mafiozo [28]3 years ago
5 0
Ok ...

you’re supposed to ask math questions or something
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Which should be done in case of a laboratory accident?
stich3 [128]
Tell your instructor or teacher
4 0
3 years ago
The mass of a sports car is 1000 kg. The shape of the car is such that the aerodynamic drag coefficient is 0.260 and the frontal
alisha [4.7K]

Answer:

The initial acceleration is 0,221 m/s^2.

Explanation:

Fcar = Fairfriction\\m*a = 0.5*A*c*density*v^2\\a = 0.5*A*c*density*v^2 / 1000 kg = 0.5*2.10m^2*0.260*1.295kg/m^3*(25 m/s)^2 / 1000 kg = 0,221 m/s^2

8 0
3 years ago
Read 2 more answers
A train is uniformly accelerated and passes
cupoosta [38]

Answer:

Explanation:

18 km/hr(1000 m/km) / (3600 s/hr) = 5 m/s

36 km/hr = 10 m/s

v² = u² + 2as

a = (v² - u²)/2s

a = (10² - 5²)/2(1000) = 0.0375 m/s²

v² = 10² + 2(0.0375)(1000)

v² = 175

v = 13.22875... ≈ 13 m/s ≈ 48 km/hr

v = u + at

t = (v - u) / a

t = (10 - 5)/0.0375 = 133.333... 133 s

t = (13.22875 - 10) / 0.0375 = 86.1 s

6 0
3 years ago
two projectiles are fired at equal speeds but differentangles. one is fired at an angle of 30 degrees and the other at 60degrees
zheka24 [161]

Answer:

a) 30 degree

Explanation:

As we know that time of flight of the projectile depends on the the vertical component of the velocity always

It is given as

T = \frac{2v_y}{g}

now we know that

v_y = vsin\theta

so we will have

T = \frac{2vsin\theta}{g}

since we know that two projectiles are projected at same speed but different angles

so smaller the angle will take smaller time

so it would be 30 degree projectile which will take smaller time

8 0
3 years ago
The planet Venus, our moon, and Halley's Comet all
olganol [36]
D is your answer <span>have highly predictable orbits around the sun. </span>
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3 years ago
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