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Devhuti
Subject: Science
, asked on 3/1/18
Q NO.1,2,6,7
Answer
1
Sameer
Subject: Science
, asked on 29/12/17
Dear experts , please explain the answer of this question, and please also tell that how much distance is there between P and R ?
A bag of 1 kg mass is thrown upwards from point
P
. It goes to a maximum point
Q
and then returns to point
R
(as shown in the given figure). (Take g = 10 m/s
2
)
What is the work done by the gravitational force during the journey of the bag from
P
to
R
?
Answer
1
Sahaneeya Sadananad
Subject: Science
, asked on 27/12/17
does work done depend upon the velcity of the object
Answer
1
Kshitij Kumar
Subject: Science
, asked on 26/12/17
In the relation between kinetic energy and linear momentum why 1/2mv^2 is multiplied by m/m??
Answer
1
Pragyan Kumar
Subject: Science
, asked on 22/12/17
Q16
Answer
2
Scarlett
Subject: Science
, asked on 20/12/17
Find a work done when a person Iifts 20kg of weight from the ground and place it on its head and walks a distance of 20m height of person is 1.5m
Answer
3
Scarlett
Subject: Science
, asked on 20/12/17
Find work done by a person when he Carries a load of 2kg onhis head and climbs 50steps each of 20cm to reach the roof
Answer
5
Scarlett
Subject: Science
, asked on 20/12/17
Find work done by a person when he carries the load of 2kg on his head and walks a distance of 2km
Answer
3
Reuban John Scariah
Subject: Science
, asked on 19/12/17
what is the amount of work done by the force of gravity when a stone of mass 250g is thrown up through a height of 2.5m
Answer
3
Jaiby
Subject: Science
, asked on 19/12/17
Why is the unit of energy is same that of work?[i..e joule(J)]
Answer
3
Aishani Vadi
Subject: Science
, asked on 18/12/17
A car is moving with uniform velocity of 18km/ hr, 36km/hr, 54km/hr and 72km/hr at certain instants of time. Calculate kinetic energy at these velocities and plot a graph.
Answer
3
Avi
Subject: Science
, asked on 16/12/17
derive the formulae for both kinetic energy and potential energy???plzzz fasttt.
Answer
2
Abhishek Kaushik
Subject: Science
, asked on 13/12/17
if an electric bulb takes 999 j electric enery for 33 seconds a day. in the end of december month what will be the amount of electricity bill if per unit charge is 9 rs.
Answer
1
Aishani Vadi
Subject: Science
, asked on 12/12/17
If the power of a motor is 40 kw at what speed can it raise a load of 20000N?
Answer
1
Arish Husain
Subject: Science
, asked on 11/12/17
Can anytime the energy be negative or zero? Give an example
Answer
2
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What are you looking for?
A bag of 1 kg mass is thrown upwards from point P. It goes to a maximum point Q and then returns to point R (as shown in the given figure). (Take g = 10 m/s2)