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ICSE Class 10 Answered

please solve these 4 and the previous 3 questions as soon as possible
Asked by Latha | 04 Nov, 2017, 05:30: PM
answered-by-expert Expert Answer
begin mathsize 12px style Answer space to space first space question space of space the space physics space part. Acceleration space due space to space gravity space is space given space by space straight g equals GM over straight R squared For space Earth straight g subscript straight e equals GM subscript straight e over straight R subscript straight e squared For space Other space planet straight g subscript straight o equals GM subscript straight o over straight R subscript straight o squared equals fraction numerator Gx 4 xM subscript straight e over denominator left parenthesis 2 straight R subscript straight e right parenthesis squared end fraction equals fraction numerator 4 xGxM subscript straight e over denominator 4 xR subscript straight e squared end fraction equals straight g subscript straight e equals 9.8 straight m divided by straight s squared end style
 
 
Please ask one question at one time. We can answer only one question at a time.
Answered by Gajendra | 04 Dec, 2017, 11:51: AM

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ICSE 10 - Physics
Assertion (A): In real and Ideal conditions, work done by a mass tied at the end of a string, rotating uniformly in a circle, is zero. Reason (R): Work done is never zero in vacuum conditions. (a) Both (A) and (R) are true and (R) is the correct explanation of (A). (b) Both (A) and (R) are true but (R) is not the correct explanation of (A). (c) (A) is true but (R) is false. (d) Both (A) and (R) are false.
Asked by navycuber2738 | 29 Feb, 2024, 02:14: PM
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ICSE 10 - Physics
Hi, Solve this question. A car of mass 120 kg is moving at a speed 18 km/h and it accelerates to attain a speed of 54 km/h in 5 seconds. Calculate:  (a) the work done by the engine.  (b) the power of the engine.
Asked by anubhutiupadhaya | 18 Mar, 2023, 08:18: PM
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ICSE 10 - Physics
Please solve this.. Calculate the power spent by a crane while lifting a load of mass 2000 kg, at velocity of 1.5 m/s. (g = 10m * s ^ - 2)
Asked by sagarmishra | 18 Mar, 2023, 08:02: PM
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ICSE 10 - Physics
when the force is acted normally to the body then the workdone will be __________
Asked by diahant.taunk10 | 24 Nov, 2021, 08:46: AM
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ICSE 10 - Physics
1eV=HOW MANY JOULES  
Asked by ss130001.jashkaransingh | 14 Sep, 2021, 08:53: PM
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ICSE 10 - Physics
a coolie with a load of 30kg on his head, walks on the platform. if he walks a distance of 60m what is the work done by the coolie? how much energy is gained by a box of mass 20kg when a man runs carrying the box with a speed of 3m/s to catch the bus? what is the difference in the answers in these two questions? is the meaning the same, please explain.
Asked by saibaba1069 | 02 Apr, 2021, 08:40: PM
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ICSE 10 - Physics
what do you mean by one kilowatt hour
Asked by akash21gsk | 22 Jun, 2020, 08:16: PM
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ICSE 10 - Physics
How far must a 250 kg pile driver fall if it is to be capable of doing 12700 J of work?
Asked by snehalburud22.10spicertl | 11 Jun, 2020, 03:26: PM
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ICSE 10 - Physics
Derivation of w=mgh
Asked by sanjeevrao.2704 | 04 Jun, 2020, 08:43: AM
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ICSE 10 - Physics
A BULLET OF MASS 5g TRAVELS WITH A SPEED OF 500ms-1. IF IT PENETRATES A FIXED TRAGET WHICH OFFERS RESISTIVE FORCE OF 1000 N TO THE MOTION OF BULLET FIND THE SPEED WITH WHICH THE BULLET EMERGES OUT OF TARGET IF TARGET IS OF THICKNESS 0.5m
Asked by mpandey358246.mp | 05 May, 2020, 02:12: PM
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