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Alik [6]
3 years ago
8

What is the connection between the x- and y-motions of a projectile?

Physics
2 answers:
Vikentia [17]3 years ago
7 0

Answer:

D. height

Explanation:

Sunny_sXe [5.5K]3 years ago
5 0
Answer c, velocity would be the answer.
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What happens to a gas that is enclosed in a rigid container when the temperature of the gas is increased?
kiruha [24]
A. the gas particles move faster and collide more frequently, which causes an increase in pressure.

Increasing temperature increases the energy of the gas, which causes the kinetic energy of the molecules to increase.
4 0
3 years ago
Answer the question below. Use the rubric in the materials for help if needed. Use details to support your response.
butalik [34]

Answer:

umm soo no wait what

Explanation:

5 0
3 years ago
1. During the Middle Ages, armies often attacked castles using large siege engines such as the counterweight trebuchet at left.
fredd [130]

Answer: Some challenges that I could see would be the walls, possibly a moat, tar, and the towers.

Explanation: The wall is obliviously a main problem, trying to get over it or through it is a difficult challenge. The moat (if it has one) means that there is more than likely only one way to get in or out.  If it does have tar it means that the attackers are going to be put in a "sticky situation" And finally the towers, they have people at the top shooting arrows down at you, or throwing things at you.

8 0
3 years ago
Otion
Scorpion4ik [409]

Answer:

SKID

Explanation:

In general, airplane tracks are flat, they do not have cant, consequently the friction force is what keeps the bicycle in the circle.

Let's use Newton's second law, let's set a reference frame with the horizontal x-axis and the vertical y-axis.

Y axis y

     N- W = 0

     N = W

X axis (radial)

        fr = m a

the acceleration in the curve is centripetal

         a = \frac{v^2}{r}

the friction force has the expression

        fr = μ N

we substitute

       μ mg = m v²/r

       v = \sqrt{\mu g r}

we calculate

      v = \sqrt{0.1 \ 9.8 \ 3}

      v = 1,715 m / s

to compare with the cyclist's speed let's reduce to the SI system

        v₀ = 18 km / h (1000 m / 1 km) (1 h / 3600 s) = 5 m / s

We can see that the speed that the cyclist is carrying is greater than the speed that the curve can take, therefore the cyclist will SKID

5 0
2 years ago
An exercise program that lacks specific goals is failing what fitness principle?
lbvjy [14]
The answer is progression
6 0
3 years ago
Read 2 more answers
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