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Aleksandr [31]
4 years ago
8

A jumbo jet of mass 100,000 kg during takeoff experience a thrust for each of its four engines of 50,000 N. producing an acceler

ation of
2 m/s2
1 m/s
0.5 m/s2
O 4 m/s²
none of the above
Physics
1 answer:
PtichkaEL [24]4 years ago
8 0

Answer:

F=MA

5OOOO=100000×A

50000/100000=A

A=5/10 M/ S SQ

A=0.5 M/S SQ.

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A car starts with an initial speed of 12 m/s and accelerates at 3 m/s/s for 5 seconds
Nostrana [21]

Explanation:

Vi = 12 m/s

a = 3 m/s^2

t = 2 s

Vf = Vi + a × t = 12 + 3 ×2 = 18 m/s

3 0
3 years ago
Plss be qauick i give brainliest
irakobra [83]

Answer:

your questions are not clear

3 0
3 years ago
A ball thrown with 50N of force accelerates at 25 m/s2.  What is the mass of the ball?
MrRissso [65]
F=ma
Force is 50N. Acceleration is 25 m/s^2.
50N=m*25 m/s^2
Divide both sides by 25.
mass=2 kg
7 0
4 years ago
A student sees a newspaper ad for an apartment that has 1330 square feet of floor space. How many square meters of area are ther
hichkok12 [17]
One square meter equals 10.7 feet. 

1330 ft^2 * \frac{1m}{10.7ft^2} = 123.561
8 0
4 years ago
Two astronauts, each having a mass of 74 kg, are connected by a 8.53 m rope of negligible mass. They are isolated in space, orbi
AveGali [126]

Answer:

a) 2575 kgm²/s

b) 1.23 kJ

c) 0.478 rad/s

Explanation:

Given

Mass of astronauts, m = 74 kg

Length of rope, l = 8.53 m

Speed of orbit, v = 4.08 m/s

L = m1v1.x1(i) + m2v2.x2(i) = 2mv(d/2)

Thus, L = 2.m.v.(d/2)

L = 2 * 74 * 4.08 * (8.53/2)

L = 2 * 74 * 4.08 * 4.265

L = 2575.38 kgm²/s

Rotational Energy of the system

K(i) = 1/2m1v1(i)² + 1/2m2v2(i)²

K(i) = 2(1/2) * 74 * 4.08²

K(i) = 74 * 16.6464

K(i) = 1231.83 J = 1.23 kJ

Angular momentum is conserved, thus, angular velocity, w = v/r

w = 4.08 / 8.53

w = 0.478 rad/s

7 0
3 years ago
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