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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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The thing that happened the year that Isaac Newton was bronbis that there was a war and he had to save his family
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Describe two possibilities of what will happen to the universe in the future.
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4 0
3 years ago
Consider the potential energy diagram shown below. This graph shows the chemical potential energy in a reaction system over time
kolbaska11 [484]

Answer:

A. Endothermic reaction.

B. +150KJ.

C. 250KJ.

Explanation:

A. The graph represents endothermic reaction because the heat of the product is higher than the heat of the reactant.

B. Determination of the enthalpy change, ΔH for the reaction. This can be obtained as follow:

Heat of reactant (Hr) = 50KJ

Heat of product (Hp) = 200KJ

Enthalphy change (ΔH) =..?

Enthalphy change = Heat of product – Heat of reactant.

ΔH = Hp – Hr

ΔH = 200 – 50

ΔH = +150KJ

Therefore, the enthalphy change for the reaction is +150KJ

C. The activation energy for the reaction is the energy at the peak of the diagram.

From the diagram, the activation energy is 250KJ.

6 0
3 years ago
Which temperature is warmer than the freezing point of water
worty [1.4K]

Answer:

1°C

Explanation:

Water freezes at 0°C, 32°F, and 273°K.

The only temperature warmer than the freezing point is 1°C.

7 0
3 years ago
What product is obtained from the aldol condensation of cyclohexanone?
Evgesh-ka [11]

Answer:

First product is FCH-OH chemically known as 2-[2-furyl(hydroxyl)methyl]-Second product is  FCH i.e (2E)-2-[2-furyl-methylene]-cyclohexanone

Explanation:

Please see the attached image for complete chemical reaction of aldol condensation of cyclohexanone

Aldol Condensation is a form of electrophilic substitution reaction in which the alpha carbon in enols or enolate anions is substituted by an electrophile to form carbon-carbon bond. Cyclohexanone also known as the first ketone consists of two alpha-carbons and four potential substitutions i.e alpha-hydrogens but none of the hydrogen on the ring is substituted. Ketones such as cyclohexanone are much more acidic than their parent hydrocarbon.

First product is FCH-OH chemically known as 2-[2-furyl(hydroxyl)methyl]-cyclohexanone  that further undergoes dehydration resulting into FCH i.e (2E)-2-[2-furyl-methylene]-cyclohexanone

Based on the explanations above, the compound formed is shown in the image.  

6 0
3 years ago
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