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During driving, as a result of the friction between the tyre and the road, the temperature of the tyre and the air inside it, increase since volume of the tyre does not change (practically); due to increase in temperature, pressure of the air increases

An object moving in a circle is accelerating. Accelerating objects are objects which are changing their velocity - either the speed (i.e., magnitude of the velocity vector) or the direction. An object undergoing uniform circular motion is moving with a constant speed.

what causes circular motion?

So for an object moving in a circle, there must be an inward force acting upon it in order tocauseits inward acceleration. ... For object's moving incircular motion, there is a net force acting towards the center whichcausesthe object to seek the center.

PV^gamma = constant.PV =nRT,P*(nRT/P)^gamma = constant.(P^1-gamma)*(T)^gamma = constant.T=300 K and P = 3 atmfor P= 1 atm as initial and final pressure of tyre is the same!Get TT =219.19 K so dt=80.2 or C.

in half an hour, the tip of minutes hand will be at diametrically opposite point. Displacement is the shortest distance between two points which is the diameter of clock in this case. Hence, the displacement is 2R.

Distance travelled will be half the perimeter of clock which is equal to πR .Hence,option (1) and (2) are correct.

In one minute, the second hand will return back to its initial position by completing one complete round and the trajectory will be circular.

Since, the initial and final position is the same, the displacement =0 and the distance= 2πR.

Option (2) and (3) both are correct.

Applying principle of energy conservation, Energy of proton

= total B.E. of 2a - energy ofLi7

= 8 × 7.06 - 7 × 5.6

= 56.48 - 39.2 = 17.28 MeV

1); is the correct answer

The maximum binding energy per nucleon occurs at around mass number A = 50, and corresponds to the most stable nuclei. Iron nucleus Fe56is located close to the peak with a binding energy per nucleon value of approximately 8.8 MeV. It’s one of the most stable nuclides that exist.

so the closest to iron is. Cr ... option B

No

Ans: a)8 MeV is the average binding energy

Thanks.

The generation of A.C. is cheaper than that of D.C.

A.C. machines are simple , robust and do mot require much attention for their repairs and maintainance during their use.

Wide range of voltages are obtained by the use of transformer.

The magnitude of current can be reduced by using an inductance or a conductor without any appreciable loss of energy

A.C. can easily be converted into D.C. with the help of rectifiers.

Wind power is the use of air flow through wind turbines to provide the mechanical power to turn electric generators. Wind power, as an alternative to burning fossil fuels, is plentiful, renewable, widely distributed, clean, produces no greenhouse gas emissions during operation, consumes no water, and uses little land.

There are number of advantages associated with exploiting resources with short term aims.

These are increases gains associated with short aims as opposed to long term aims, much greater gains, capital rotation, quicker and better working of mind to deal with the resources and development of the nation as a whole.

Also we would be saving the resources for our future generations.Inthe case of a long-time perspective in managing our resources, these resources will last for the generations to come.

This management ensures uniform distribution among the people. It conserves the natural resources for many years and not just for a few years, as in the case of a short-term perspective in conserving natural resources.

1. Taanka is a traditional rainwater harvesting technique indigenous to the Thar desert region of Rajasthan.

2. The pats of the Jhabua district of Madhya Pradesh are irrigation panels. These irrigation panels are fed using water that is diverted from fast moving hill streams

Ans :- Thehuman heartis an organ that pumps blood throughout the body via the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes. ... "If [theheart] is not able to supply blood to the organs and tissues, they'll die."

thanks for answering my question

During sunrise and sunset, the rays have to travel a larger part of the atmosphere because they are very close to the horizon. Therefore, light other thanredis mostly scattered away. Most of theredlight, which is the least scattered, enters our eyes. Hence, thesunand the skyappear red.

4) is the correct answer

option (4) is the right answer

give me answer

option 4 is correct

The two given resistors be R1 = 20 ohms and R2 = 40 ohms

when the resistors are joined in parallel, then the equivalent resistance Rp = 1/ R1 + 1/ R2 = R1 + R2/ R1.R2 = (20 + 40)/20*40 = 60/20*40 = 3/40 ohms

R=R1*R2/(R1+R2)=40/3

power is expressed in watt

yes because it its unlimited in earth

What u.s.

Biomass is a renewable source of energy derived from organicis considered a renewable energy source because its inherent energy comes from sun and can be regrown in a relatively short time.

Is it non conventional sources

Answer to dedo arpit aur rizu

dimension of 1/2*m*(aw)² = ML²T-² = M(L/T)² = ML²/T² = (MLT-²)L = F×d = moment of force

option 4

option C moment of charge.

why

because it is a measure of the separation of positive and negative electrical charges within a system, that is, a measure of the system's overall polarity.

thaku so much

Wind is a renewable resource because there is a limitless supply that is naturally produced. That makes it a great candidate to provide clean, non-polluting electricity that businesses can use. Companies that seek to become more environmentally friendly in their operations are increasingly using wind power. Many companies receive federal and state incentives for generating wind energy.

Answer: d) none of theseExplanation:The Types Of Non Conventional Sources Of EnergySolar Energy. Solar power,Wind Power., Hydro Power, Biomass., Biofuel. ,Geothermal Energy.

All are correctso

Option -D none of these

asNon-conventionalsources of Energy. Natural resources like wind, tides, solar,biomass, etc generate energy which is known as “Non-conventionalresources“. These are pollution free and hence we can use these to produce a clean form of energy without any wastage.

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2)three advantages of ploughing 1. It helps in loosening of the soil.2. It helps in uprooting weeds.3. It helps in proper mixing of manure in the soil.

3)The seed drill sows the seeds at equal distances and proper depth, ensuring that the seeds get covered with soil and are saved from being eaten by birds. Before the introduction of the seed drill, a common practice was to plant seeds by hand. Besides being wasteful, planting was usually imprecise and led to a poor distribution ofseeds, leading to low productivity. The use of a seed drill can improve the ratio of crop yield (seeds harvested per seed planted) by as much as nine times.

ThemajoradvantagethatACelectricity has overDCelectricity is thatACvoltages can be readily transformed to higher or lower voltage levels, while it is difficult to do that withDCvoltages. Since high voltages are more efficient for sending electricity great distances,ACelectricity has anadvantageoverDC.

Advantages of AC over DC:1)The AC generators have higher efficiency than DC2)The loss of energy during transmission is negligible for AC3)The AC can be easily converted into DC4)The variation of AC can easily be done using transformers either step up or step down.

E= (10)(2)(60) 1200J

Let the length be l.

Change in Length,∆l= 0.1% of l=0.001l

Area of cross section,A= 10⁻⁶m²

Tension, T=100N

Y=F.l/(A.∆l)= 100×l/(10⁻⁶×0.001l)

=> Y=10¹¹ N/m²

F=GMm/r^2

F=6.67*10^-11*1.67*10^-27*1.67*10^-27/10^-12*10^-12

=18.601*10^-41N

The angular momentumvector of a pointparticleis parallel and directly proportional tothe angularvelocity vector ω of theparticle(how fast itsangularposition changes), where the constant of proportionality depends on both the mass of theparticleand its distance from origin.

thank you

thankyousomuch for helping.

Thanks

option (A) is correct

We know kinetic energy = 1/2 ×m× v ²SI unit of mass = kilogramsSI unit of velocity = m/sso dimensional formula of K.E= [ L²M¹T^-2]

Irms=2I= Irms√2 = 2√2

no 4 is the right answer

30%is the correct answer