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satela [25.4K]
3 years ago
14

Help in physics please :(((​

Physics
1 answer:
Ray Of Light [21]3 years ago
6 0

Answer:

can't stop the traffic light at the it travels along a straight road so that its distance should be calculated in a stand-in is velocity of the ka time is given 10 seconds how long after starting from rest is the car again at rest for the acceleration is equal to velocity initial final velocity - initial velocity divided by the total time taken just do it and see ok

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6. A 0.09 kg arrow hits a target at 22 m/s and penetrates 4 cm before stopping.
tatyana61 [14]
A ) v = v o - a t
0 = 22 - a · t
a · t = 22
d = v o · t - a t²/2
0.04 = 22 t - 22 t / 2
0.04 = 11 t
t = 0.04 : 11 = 0.003636 s
a = 22 / t
a = 6050 m/s²
F = m · a = 0.09 kg · 6050 m/s²
F ( target→arrow) = - 544.5 N
b ) F ( arrow→target ) = 544.5 N
c )  If the speed was doubled:  v = 44 m/s;
F = a m
a = 6050 m/s²
a · t = 44
t = 6050 : 0.04
t = 0.007272 s
d = 44 t - 44 t/2 = 22 t
d = 22 · 0.007272
d = 0.16 m = 16 cm
8 0
3 years ago
Help it’s number 5. Helpppppppppppppoppppppppppppp
aliina [53]

Answer:

The heat may have stopped being added, because the heat is exactly what is causing the change. There are horizontal lines because of that, and when the heat resumes, the line peaks up.

Explanation:

3 0
3 years ago
A force does +190 j of work when it acts on a moving object and its direction is in the same direction as the object's displacem
zhenek [66]
<span>To find the amount of work done by a force acting on a moving object, we can use this simple equation: W = F * d * cos(theta) W is Work F is the force d is the distance the object moves theta is the angle between the force vector and the direction of motion We know that (F * d) is 190 joules. We can find the work done when the angle is 56°. W = F * d * cos(theta) W = (190 J) * cos(56°) W = 106 J At an angle of 56°, the work done by the force is 106 joules.</span>
7 0
3 years ago
If a company like Waste Management collects all of the paper, bottles, plastic, ete in a single bin, how
Tju [1.3M]

Answer:

yes they can be recycled

Explanation:

8 0
4 years ago
describe a method you would use to separate chicken soup into other forms of matter from which its made of
nexus9112 [7]
Heat it until it evaporates(Gas) :3
Or freeze it until its ice.(Solid)
its already a liquid normally

Unless you mean like separate the noodles from the broth, in that case use a drainer :'D Jk. I suck at smart stuff.
3 0
3 years ago
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