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CBSE Class 11-science Answered

<div>question: <img alt="" src="https://images.topperlearning.com/topper/tinymce/imagemanager/files/dd58a547103a3030c2852ecfa89eae9f57aa0b7f54cec7.78158420IMG20160809WA0025.jpg" /></div>
Asked by Sunil Soni | 09 Aug, 2016, 10:27: PM
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Answered by Yashvanti Jain | 10 Aug, 2016, 12:45: PM

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CBSE 11-science - Physics
Que: Equal and opposite charges cancel out eachother's effect then why doesn't centrifugal force cancel out centripetal force's effect on a particle moving in circular motion?
Asked by advssdrall | 07 Oct, 2022, 11:11: PM
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CBSE 11-science - Physics
a body is projected with speed 40root2 m/s downwards an angle of 45 degree from vertical if h=100 m find 1. time of flight 2. range
Asked by sohail.saba0311 | 09 Sep, 2021, 08:23: PM
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CBSE 11-science - Physics
Angular Displacement of a body is given by thete= 2t2+5t+3. Find angular velocity and angular acceleration  
Asked by ananthi.baskae | 07 Sep, 2021, 09:18: AM
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CBSE 11-science - Physics
what is RPM.is it a unit of frequency or angular velocity. If a particle complete 1 revolution in 1 sec find both sec
Asked by udityashekhawat123 | 09 May, 2020, 12:26: AM
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CBSE 11-science - Physics
The position of a particle at any instant is given by . At what instant the velocity vector will make an angle 45o with X-axis.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Physics
A particle starts from the origin at t = 0 with a velocity of  m/s and moves in XY plane with a constant acceleration of . (a) At what time is the X-coordinate of the particle 16 m? (b) What is the Y-coordinate of the particle at that time?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Physics
A cyclist starts from the center O of circle of park of radius 1 km, reaches the edge P of the park, then cycles along the circumference to point Q and returns to the centre along QO as shown. If the round trip takes 10 minutes, then what is (a) net displacement (b) average velocity (c) average speed of the cyclist?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Physics
The position vector of particle at any instant is given by . Show that velocity and acceleration of particle at any instant are perpendicular to each other.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Physics
An aircraft is flying at a height of 3400m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10 s apart in 30o , what is the speed of the aircraft?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Physics
A passenger arriving in a new town wishes to go from the station to a hotel located 10 km away on a straight road from the station. A dishonest taxidriver takes him along a circuitous path 23 km long and reaches the hotel in 28 minute. What is: (a) the average speed of taxi (b) the magnitude of average velocity. Are the two equal?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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