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Sauron [17]
1 year ago
14

A conveyor belt at a recycling plant launches bottles and bottle caps into the air, so that an automatic image recognition devic

e can count them. They land same height at which they are launched. Glass bottles are launched at an angle of 35.0 degrees above horizontal and land after 0.500 seconds.
a) Solve for the initial speed at which the bottles are launched.
b) Solve for the horizontal displacement at which the bottle land
Physics
1 answer:
dem82 [27]1 year ago
6 0

(a) The initial speed at which the bottles are launched is 4.27 m/s.

(b) The horizontal displacement at which the bottle land is 1.75 m.

<h3>Initial speed of the bottle</h3>

The initial speed of the bottle is calculated as follows;

T = \frac{2usin\theta}{g}

where;

  • T is time of flight
  • u is the initial speed

2usinθ = Tg

u = Tg/(2sinθ)

u = (0.5 x 9.8)/(2 x sin35)

u = 4.27 m/s

<h3>Horizontal displacement of the bottle</h3>

X = u²sin(2θ)/g

X = (4.27² x sin(70))/(9.8)

X = 1.75 m

Learn more about projectile here: brainly.com/question/12870645

#SPJ1

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Answer:

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Explanation:

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From ideal gas equation, PV = nRT

T1 = 21°C = 294K, V1 = 0.033m^3, n = 2moles, V2 = 2× 0.033=0.066m^3

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Assuming a closed system

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(C) Final volume = 2×initial volume = 2×0.033= 0.066 cubic meter

6 0
3 years ago
The brick wall (of thermal conductivity 1.12 W/m · ◦ C) of a building has dimensions of 2.8 m by 5 m and is 8 cm thick. How much
hichkok12 [17]

Answer:

Explanation:

If H be the heat flowing in time t through an area of A having thickness d

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putting the given values

= (1.12 x 2.8x 5 x 9 x 16.7 x 60 x 60) / .08

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5 0
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Answer:

Yes

Explanation:

The spring force is given as:

          F  = kd

F is the spring force

K is the spring constant

d is the magnitude of the stretch

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Both stretch distance and force applied can be said to be directly proportional to one another.

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3 years ago
Sound travels about 750 miles per hour. if you stand in a canyon and sound a horn, you will hear an echo. suppose it takes about
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The answer to this question would be:3850ft

To answer this question, you need to convert the speed velocity from miles/hour into feet/second. The equation would be: 750 miles/hour x 5280 foot/mile x 1 hour/3600second = 1100 ft/s
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3 years ago
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A student shoots a spitball with a perfectly horizontal velocity of 9.7 m/s from a height of 1.8 meters. How long will it take f
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Answer:A student shoots a spitball with a perfectly horizontal velocity of 9.7 m/s from a height of 1.8 meters. How long will it take for the spitball to hit the ground?

(ignore air resistance) (include units and correct number of significant figures)

Explanation:La respuesta es porque esa es la respuesta, la respuesta al número es 9.7 1.8 Divide =53.888

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