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1:4EXPLANATION:    R=δL/AR=δL/2/2AR=δL/2*1/2AR=δL/4AR=1/4(δL/A)4R=δL/Ar=previous resistancer/R=1/4=1:4hope it HELPS!

distance penetrated = 7.5 m, average retardation force = 7.5 NExplanation:Given that, Mass of the bullet is 0.005 Kg. Initial velocity of the bullet is 150 m/s. TIME of PENETRATION is 1/10 sec. Final velocity of the bullet is 0 m/s. So, distance of penetration = ut + 1/2at^2 s = 150(1/10) + 1/2[(0-150)/1/10](1/10)^2 s = 7.5 m average retardation force = mass * ACCELERATION of retardation                                       F = m*a                                          = 0.005*(0-150)/(1/10)                                          = 7.5 N HOPE THE ANSWER HELPED.

This is your answer.Explanation:4 p.mPLEASE MARK AS BRAIN LEAST.

5L=5(3i-j+K)=15i-5j+5k 5L+M = 15i-5j+5k + 6 k =15i-5j+11k

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The CONVEX mirror is also used to PROVIDE safety for motorists on roads, driveways and in alleys where there is a blind spot or where the driver has LIMITED visibility. ... Traffic Convex Oval MIRRORS have been installed at various 'T Junctions' where three roads meet.

(C) is the CORRECT answer.Hope it helps...Plz MARK it as a BRAINLIEST answer.....♥️

When the submarine is floating on the surface, the tanks are filled with air causing its density to be less than the surrounding WATER. When the submarine dives, the tanks are FLOODED with water causing its density to be greater than the water causing it to sink.Explanation:

It captures the wave signals TRANSMITTED by PARTICULAR station of particular wavelengths which is HELPFUL for CHANNEL TELECAST.

Their boiling POINTS are different.Their DENSITIES are different.Petrol is a hydrocarbon WHEREAS WATER is not.etc...

Acceleration is the RATE of change of velocity. USUALLY acceleration MEANS the speed is changing.. but not ALWAYS. when an object moves in a circular PATH at a constant speed , it is still accelerating, bcoz the direction of its velocity is changing...

musicalExplanation:when we STRIKE it PRODUCE a TUNNING SOUND

energywhich is the REQUIRED ANS

Mahendra and Virat Are Sitting at a Distance of 1 METRE from Each Other. Their Masses Are 75 Kg and 80 Kg Respectively. What is the GRAVITATIONAL FORCE Between Them? G = 6.67 X 10-11 Nm2/Kg2 - Science and Technology 1.Explanation:I HOPE it helps you

(C) compressionExplanation:by hiting METAL it COMPRESS it's VOLUME. So it's COMPRESSION

tion:589 / 0.1 = 5890Angstroms. ANSWER : 5890 ANGSTROMS

We know that Density= MASS/volume mass=[M^1]volume =[L^3]then density =[M^1L^3] Answer RIGHT or wrong write on COMMENT box

C. Both (Magnitude and DIRECTION)Explanation:A force is a VECTOR quantity. As learned in an earlier unit, a vector quantity is a quantity that has both magnitude and direction. To fully describe the force acting upon an object, you must describe both the magnitude (size or numerical value) and the direction.

law states that the net FLUX of an electric field in a CLOSED surface is DIRECTLY proportional to the enclosed electric CHARGE. It is one of the four equations of Maxwell’s laws of electromagnetHOPE IT HELPS YOU..

can't UNDERSTAND what you are SAYING

Time PERIOD of the simple PENDULUM is 2π gl .On the moon, g changes thus Time period of the Pendulum changes.Therefore, actual time, times in the fall will not be equal.Therefore, Option (c). is incorrect.Also, v 2 −u 2 =2ah∴ v= (2gh) Now, Velocity will also be different on the moon. HENCE, Actual speeds will not be equal.Therefore, Option (d) is incorrect.Now, The MEASURED time and speed will be same. This is because, if the particle covers h distance in time t, then it will covers the h distance on moon in time t. This is what measured by the Clock.

Magnetic field due to circular LOOP is B 1 = 2rμ 0 I = 4πrμ 0 I 2πfield due to STRAIGHT wire isB 2 = 2πrμ 0 I = 4πrμ 0 I 2∵ net field =B 1 −B 2 = 4πrμ 0 I (2π−2) = 4πμ 0 × r2I (π−1)

the answer is option (a) Explanation:because the OBJECT which has HEAVY loads will FALL and touches the ground. because it has heavy pressure than FREE ONE

tion:Ohm's Law deals with the relationship between voltage and current in an ideal conductor. This relationship states that:The potential difference (voltage) across an ideal conductor is proportional to the current through it. The constant of proportionality is called the "resistance", R.Ohm's Law is given by:V = I Rwhere V is the potential difference between two points which include a resistance R. I is the current flowing through the resistance. For biological work, it is often preferable to use the conductance, g = 1/R; In this form Ohm's Law is:I = g V2. Material that obeys Ohm's Law is called "ohmic" or "linear" because the potential difference across it varies linearly with the current. 3. Ohm's Law can be used to solve simple circuits. A complete circuit is one which is a closed LOOP. It contains at least one SOURCE of voltage (thus providing an increase of potential energy), and at least one potential drop i.e., a place where potential energy decreases. The sum of the voltages around a complete circuit is zero.4. An increase of potential energy in a circuit causes a charge to move from a lower to a higher potential (ie. voltage). Note the difference between potential energy and potential.Because of the electrostatic force, which tries to move a positive charge from a higher to a lower potential, there MUST be another 'force' to move charge from a lower potential to a higher inside the battery. This so-called force is called the electromotive force, or emf. The SI unit for the emf is a volt (and thus this is not really a force, despite its name). We will use a script E, the symbol , to represent the emf.A decrease of potential energy can occur by various means. For example, heat lost in a circuit due to some electrical resistance could be one source of energy drop. Because energy is conserved, the potential difference across an emf must be equal to the potential difference across the rest of the circuit. That is, Ohm's Law will be satisfied: = I R 5. Here is a nice simulated experiment on Ohm's Law for you to test your understanding of this concept. Use the "back" button to return to this place.

The VELOCITY after 10 SECONDS will be 10m/s. EXPLANATION: As the motion is uniform, its acceleration will be 0m/s2. So, the FINAL velocity will be 10 m/s.

used as shaving mirror is :☺A. PLANE mirror ☺B. CONCAVE mirror ✅☺C. convex mirror☺D. B and C is used as shaving mirror. ❤ 50 ➕ føĺĺøw ♒ INBOX ✅

A RESULTANT force is the single force and associated torque obtained by combining a system of FORCES and TORQUES ACTING on a rigid body. The DEFINING feature of a resultant force, or resultant force-torque, is that it has the same effect on the rigid body as the original system of forces... Hope it helps you.... Thanks....

the BEST thing is that we can be hood with nature..EASY DISPOSAL.. no much harmful effects to our natire

WHAT TYPE?EXPLANATION:

If the speed of an object changes, it will be accelerating or DECELERATING . This can be shown as a curved line on a distance-time graph. If an object is accelerating or decelerating, its speed can be calculated at any PARTICULAR time by: DRAWING a tangent to the CURVE at that time.

now that The BUOYANCY force= the WEIGHT of the object on air - the weight of the object in waterThereforethe buoyancy force=190N-75N=135Ntherefore the buoyancy force is 135NThanks HOPE it HELPS...

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The triangle inequality state that the sum of the LENGTHS of any TWO sides of a triangle is greater than the length of the remaining sides. It follows from the fact that a straight LINE is the SHORTEST path between two POINTS. Explanation:Thank you..

- Efficiency [η] is 20%.• Given:-A Carnot Engine operates between = 400 K and 500k• To Find:-Efficiency [η] = ?• Solution:-We know,here, = 400 k = 500 kHence,Efficiency [η] = → → → → → 20 % Therefore, Efficiency [η] is 20 % Know More:-• A Carnot Engine is a theoretical engine that operates on the Carnot cycle.• It is an ideal reversible heat engine.• Carnot Efficiency is the theoretical maximum efficiency one can obtain when heat engine is operated between 2 temperatures.• Developed by NICOLAS Leonard Sadi Carnot in 1824.• Efficiency depends on the temperature of the hot and COLD reservoirs.