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morpeh [17]
2 years ago
12

Which of these elements have the strongest and the weakest forces between its atoms.Give A Reason For Your Answer. Copper,oxygen

,carbon,helium,sulphur and magnesium.​
Physics
1 answer:
vredina [299]2 years ago
7 0

Answer:

Copper is the correct answer

Explanation:

Copper is very strong in situations where it is put in place and not stressed. Like all metal products, you can tear a whole in a copper pipe when it is under constant stress. That might seem obvious, but the thing about using it as pipe material is that some people try to cheat and bend copper into place if they don't measure properly and wind up with a piece that is bit too big or a bit too small.

Hope it helps pls mark me as BRAINLIST :)

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A car’s headlights dissipate 40 W on low beam and 50 W on high beam. Is there more or less resistance in the high-beam filament?
love history [14]

Answer:

The high-beam filament has more resistance than low beam filament.

Explanation:

To determine if the 50 W dissipated by a car’s headlights on high beam, has more or less resistance, formula for power dissipated in the filament is used.

Power = IV

Voltage =IR

∴ Power = I*IR = I²R

where;

I is the current

V is the voltage

R is the resistance

From the equation above, Power dissipated is directly proportional to Resistance.

Hence, the high-beam filament has more resistance than low beam filament.

3 0
3 years ago
If a 3-kg rock is thrown at a speed of 2 m/s in a gravity-free environment (presuming one could be found), then an unbalanced fo
Katarina [22]

Answer:

a. False

Explanation:

For an object to be moving at a constant velocity, a net force of 0 N would be required.

Newton's 1st Law of Motion states that an object will remain at rest unless acted upon by an unbalanced force, and an object will remain in motion unless acted upon by an unbalanced force.

Therefore, the unbalanced force of 6 N would not allow the rock to maintain its constant speed.

The answer to this question is A) False.

3 0
3 years ago
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How to play track and field
Ahat [919]

Explanation:

Track and Field is a sport, which is includes disciplines of running, jumping, and throwing events. The sport traces back to Ancient Greece. The first recorded examples of this sport were at the Ancient Greek Olympics. In Ancient Greece, only one event was contested, the stadion footrace. Later on, the game expanded to more events.Events of track and field are divided into three: track events, field events, and combined events. Track events consist of Sprints, middle-distance, long distance, hurdles and relays; Field events consist of jumps and throws; while combined events consist of pentathlon, heptathlon, and decathlon. Track and field is usually played outdoors in stadiums. The usual features of a track and field stadium are the outer running track, and the field within the track

3 0
4 years ago
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Physics question plz help
blagie [28]

Answer:

B. 30\,s\,< t \le 40\,s.

Explanation:

The vehicle is travelling eastwards when its velocity is positive and westwards when velocity is negative. According to the graph, v > 0 for 30\,s\,< t \le 40\,s. Hence, correct answer is B.

5 0
3 years ago
Starting from rest, a 0.0367 kg steel ball sinks into a vat of corn syrup. The thick syrup exerts a viscous drag force that is p
Arisa [49]

Answer:

0.48 W

Explanation:

Given that:

the mass of the steel ball = 0.0367 kg

C = 0.270 N

g (acceleration due to gravity) = 9.8

Now;

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mg =Cv

Making v the subject of the formula:we have:

v = \frac  {mg}{C}

v = \frac  {0.0367*9.8}{0.270}

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Thus, the Rate at which gravitational energy is converted to thermal energy once the ball reaches terminal velocity is:

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P = mgv

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P=0.48 W

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