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Kruka [31]
3 years ago
9

PLEASE HELP. THIS IS DUE TODAY AT 11:59PM ​

Physics
1 answer:
OLga [1]3 years ago
4 0

Answer:

ggn

Explanation:

rt

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In a parachute, falling steadily at 7.5m/s, how long does it take to reach the ground from 3,000 m high?
photoshop1234 [79]

Answer:

25 minutes

Explanation:

4 0
3 years ago
I’m the absence of friction,gravity and all other external forces what kind of speed will an object display if it travels from t
Natali [406]
Velocity Im pretty sure
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3 years ago
A child observes a caterpillar walking on a window sill. The caterpillar walks 18 cm to the left, then 6 cm to
horrorfan [7]

Answer: 34 cm

Explanation:

18+6+10=34 cm

4 0
4 years ago
Calculate the tension on the rope.<br> A. 57.89 N<br> B. 32.73 N<br> C. 69.84 N<br> D. 12.55 N
Ratling [72]

Hi there!

\large\boxed{\text{B. 32.73N}}

To calculate the tension, we must calculate the acceleration of the system.

Begin with a summation of forces:

∑F = -M₁gsinФ + T - T + M₂g

Simplify and solve for acceleration: (Tensions cancel out)

a = \frac{-M_1gsin\theta + T - T + M_2g}{M_1+M_2}

Plug in values. Let g = 10 m/s²

a = \frac{-3(10)(sin30)+8(10)}{3+8} = 5.91 m/s^{2}

Now, to find tension, let's sum up the forces acting on ONE block. For simplicity, we can look at the hanging block:

∑F = -T + W

ma = -T + W

Rearrange to solve for T:

T = W - ma

We know the acceleration, so plug in the values:

T = (8)(10) - (8)(5.91) = 32.73 N

3 0
3 years ago
If the direction of the position is north and the direction of the velocity is up, then what is the direction of the angular mom
Kay [80]

Answer:

the direction of angular momentum = EAST

Explanation:

given

Direction of position = r = north

Direction of velocity = v = up

angular momentum = L = m(r x v)

where m is the mass, r is the radius, v is the velocity

utilizing the right hand rule, the right finger heading towards the course of position vector and curl them toward direction of velocity, at that point stretch thumb will show the bearing of the angular momentum.

then L = north x up = East

6 0
3 years ago
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