Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

(physics) i found this question very difficult from onkesh upadhyay
Asked by | 29 Aug, 2008, 06:45: PM
Expert Answer

In 1 second the sand dropped is 5kg. So force is mg = 50N.

v = 2m/s.

so power = F.v = 50x2 = 100W

Answered by | 16 Dec, 2008, 12:53: PM

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 11-science - Physics
A block of mass m is placed on a wedge as shown. Find difference between maximum and minimum (a(max) – a(min) ) horizontal rightward acceleration of wedge for which block remains at rest with respect to wedge. (A) 10g/9 (B) g/9 (C) g (D) None of these
Asked by sahuaryanbro1.0 | 01 Jan, 2023, 10:17: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
A force 50 N acts on a body for 10 sec.what will be the change in momentum
Asked by subhankarnanda123 | 20 Dec, 2022, 08:36: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
answer
Asked by divyanshkr13 | 16 Jun, 2022, 10:25: AM
ANSWERED BY EXPERT
CBSE 11-science - Physics
find the velocity in rms
Asked by kashyspalbert91 | 11 Mar, 2022, 04:11: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
In the arrangement shown in the figure, a heavy pulley of mass M is suspended from a spring of stiffness constant K and the mass m is suspended from a string tightly wound on the pulley. If the mass m is given a small downward displacement and released, find the time period of small oscillations (Take pulley as Disc) and string does not slips on the pulley.
Asked by alkrishna4652 | 24 Feb, 2022, 01:46: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
what is 2 law of motin
Asked by shreyamishra270304 | 04 Aug, 2021, 08:32: AM
ANSWERED BY EXPERT
CBSE 11-science - Physics
explanation of law of inertia
Asked by shivesh242 | 26 Jul, 2021, 08:30: PM
ANSWERED BY EXPERT
CBSE 11-science - Physics
bus weighing 500 kg on a slope that makes an angle 60 degrees with the horizontal the component of bus weight parallel to the slope is (A) 3500sqrt(3) * N (B) 1500sqrt(3) * N (C) 2500sqrt(3) * N (D) 2500N
Asked by unknownpass66 | 04 Jul, 2021, 11:28: AM
ANSWERED BY EXPERT
CBSE 11-science - Physics
establish Newton's first law from second law
Asked by anirbanagasti2002 | 06 Jun, 2021, 09:24: AM
ANSWERED BY EXPERT
CBSE 11-science - Physics
A body of mass 50g is moving with a constant velocity of 5m/s on a horizontal smooth surface. The force acting on the body is
Asked by minkukumarprasad94839483 | 30 Jan, 2021, 05:47: PM
ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt