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ElenaW [278]
3 years ago
15

What are the 3 formulas you can use for vertical motion for a projectile?

Physics
1 answer:
klio [65]3 years ago
4 0
I hope this can help you ask me if you need help again

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A box is sliding down an incline tilted at a 16.0 angle above horizontal. The box is initially sliding down the incline at a spe
blsea [12.9K]

Answer:

d) 1.44m

Explanation:

According to Newton's second law:

\sum F=m.a\\

analyzing the horizontal components of the force:

\sum F_x=mg*sin(\theta)-\µ*m.g*cos(\theta)\\\sum F_x=m*9.8*(sin(16^o)-0.420*cos(16^o))\\\sum F_x=-1.25m

applying the second law

-1.25m=m.a\\a=-1.25m/s^2

given the acceleration we can calculate the distances traveled before stopping:

(v_f)^2=(v_o)^2+2.a.\Delta x\\0=(1.90m/s)^2-2(1.25)*\Delta x\\\Delta x=1.44m

8 0
3 years ago
What is the scientific method in physics ? <br><br>grade 9​
a_sh-v [17]
A method of investigation in which a problem is first identified and observations, experiments, or other relevant data are then used to construct or test hypotheses that purport to solve it.
5 0
3 years ago
Suppose you increase your walking speed from 5 m/s to 14 m/s in a period of 3 s. What is your acceleration
kirza4 [7]
5-14 m/s in 3 seconds
a=vf-vi/t
a=14-5/3
a=9/3
a=3 m/s^2
4 0
3 years ago
Assume the following vehicles are all moving at the Sam speed .it would be harder to change the velocity of which vehicle . What
AVprozaik [17]

Answer:what the choices

Explanation:

8 0
3 years ago
Consider a spherical capacitor with radius of the inner conducting sphere a and the outer shell b. The outer shell is grounded (
AleksAgata [21]

Answer:

Explanation:

The application of Gauss's law is used in the derivation as shown with detailed step by step in the attached file.

The potential difference on this spherical capacitor is ΔV = Va - Vb = kQ/a - kQ/b = kQ(1/a - 1/b)

6 0
3 years ago
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