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devlian [24]
3 years ago
15

A ball is released at a velocity of 400 m/s at an angle of 85 degrees from the horizontal. How far does it travel horizontally b

efore the ball lands on the ground? (use a-10m/s2 if needed, round answer to a whole number-no decimals). Do not put the units in the answer. QUESTION 5 angle of 85 degrees from the horizontal. How long will it take for the ball to get if needed, round answer to a whole number-no decimals). Do not put the units in the answer. A ball is released at a velocity of 400 m/s at an to its apex? (use a-10m/s QUESTION 6 A ball is released at a velocity of 400 m/s at an angle of 45 degrees from the horizontal. What is the vertical component of the velocity? (use a--10m/s if needed, round answer to a whole number-no decimals), Do not put the units in the answer.
Physics
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0

Answer:

8000

Explanation:

V²=U²+2as

V=400m/s

U=0

a=10

s=?

(400)²=(0)²+2*10*a

160,000=20s

s=160,000/20

s=8000

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GalinKa [24]

Answer:

a. t = 1.43 s

b. d = 7.88 m

Explanation:

a. The time of flight can be found using the following equation:

y_{f} = y_{0} + v_{0_{y}}t - \frac{1}{2}gt^{2}

Where:

y_{f}: is the final height = -10 m

y_{0}: is the initial height = 0

v_{0_{y}}: is the initial speed in the vertical direction = 0

g: is the acceleration due to gravity = 9.81 m/s²

By solving the above equation for "t" we have:

t = \sqrt{\frac{2y_{f}}{g}} = \sqrt{\frac{2*10 m}{9.81 m/s^{2}}} = 1.43 s

Hence, the ball will hit the ground in 1.43 s.

b. The distance in the horizontal direction can be found as follows:

x_{f} = x_{0} + v_{0}t + \frac{1}{2}at^{2}

Where:

x₀: is the initial position in the horizontal direction = 0

a: is the acceleration in the horizontal direction = 0 (it is moving at constant speed)

x_{f} = 5.51 m/s*1.43 s = 7.88 m

Therefore, the ball will travel 7.88 m before it hits the ground.

I hope it helps you!

4 0
3 years ago
How is pressure measured? question 1 options: pressure is measured as force per inch. pressure is measured as force per gram. pr
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Pressure is measured as force per unit area, which is the third option.

<h3>What is pressure?</h3>

Pressure is amount of force that is applied over a given area divided by the size of this area.

Pressure is calculated by multiplying the force applied on the object by the area covered.

Since force is measured in Newtons (N) and area is measured in m², the unit of pressure is Nm².

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Learn more about pressure at:

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2 years ago
Suppose an endothermic reaction has a positive change in entropy greater than the heat absorbed. What can be said about the spon
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3 years ago
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aliina [53]

Answer:

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Which of The following are classiFcatons describing how rock and oTher maTerial movedownslope?a. Fall, b. slide, c. slump, d. cr
nlexa [21]

Answer:

correct answer is Fall slide, slump, creep, flow

Explanation:

solution

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so rock and other material move down as gravity.

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so correct answer is Fall slide, slump, creep, flow

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