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kenny6666 [7]
3 years ago
15

Which is one way that scientists communicate the results of an experiment?

Physics
2 answers:
AURORKA [14]3 years ago
8 0
I would think D. Forming a hypothesis
Lemur [1.5K]3 years ago
3 0
C. Writing a procedure 
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A cart is rolling across the floor at a constant velocity of 2 m/s to the right. The cart is pushed again to the right, and it s
OlgaM077 [116]
The force of the push and acceleration of the cart are  related such as The unbalanced push causes the cart to accelerate.

4 0
3 years ago
Two cars, one of mass 1300 kg, and the second of mass 2400 kg, are moving at right angles to each other when they collide and st
Margarita [4]

To solve this problem we will apply the momentum conservation theorem, that is, the initial momentum of the bodies must be the same final momentum of the bodies. The value that will be obtained will be a vector value of the final speed of which the magnitude will be found later. Our values are given as,

m_1 = 1300kg

m_2 = 2400kg

u_1 = 12m/s i

u_2 = 18m/s j

Using conservation of momentum,

m_1u_1+m_2u_2 = (m_1+m_2)v_f

1300*12i-2400*18j = (1300+2400)v_f

Solving for v_f

v_f = 4.2162i-11.6756j

Using the properties of vectors to find the magnitude we have,

|v| = \sqrt{(4.2162^2)+(-11.6756)^2}

|v| = 12.4135m/s

Therefore the magnitude of the velocity of the wreckage of the two cars immediately after the collision is 12.4135m/s

6 0
3 years ago
The space velocity of a star is 120 km/s and its radial velocity is 72 km/s. what is its tangential velocity?
Marina CMI [18]
You divide 120 and 72 and get 1.67 repeated i think
3 0
3 years ago
Which information is necessary to determine an object's speed?
lana [24]

Answer:

1. distance and period of time.

Explanation:

The speed is calculated using the formula k = \frac{d}{t}

"k" is the speed, "d" is the distance and "t" is the time.

You need distance and time to calculate the speed.

Speed is how fast an object is going. The direction is irrelevant to speed, not to be confused with velocity, which is speed in a given direction.

5 0
3 years ago
Someone please help me for a brainliest but it has to be correct
Katarina [22]
The answer is 34 you have to add the numbers and divide them by how many numbers there are
7 0
3 years ago
Read 2 more answers
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