Summary of Journey by Night | For Classv9
Sher Singh was a 12 year old brave boy; who lived in Laldwani village. He lived with his younger brother, […]
elc10_sz_summary, elc9_sz_summary
2015
mc8sz_speeddistanceandtime
Walking at 3/5 of his usual speed, a man is 4 hours too Late | Find his usual time | Speed Distance and Time
Walking at 3/5 of his usual speed, a man is 4 hours too late. Find his usual time. Suppose the
pc9s_motioninonedimension
A body moves from rest with uniform acceleration and travels 270 metre in 3 seconds | Find the velocity of the body at 10 seconds after the start | Sum Motion in one Dimension – Physics class 9
Problem : A body moves from rest with uniform acceleration and travels 270 metre in 3 seconds. Find the velocity
pc9s_motioninonedimension
When brakes are applied to a bus the retardation produced is 25 cm/s2 and the bus takes 20 s to stop | calculate the initial velocity of bus the distance traveled by bus during this time |
Problem : When brakes are applied to a bus the retardation produced is 25 centimetre per second square (cm/s2 )and
pc9s_motioninonedimension
A car travels a distance 100 metre with a constant acceleration and average velocity of 20 metre per second | The final velocity required by the car is 25 metre per second | Find the initial velocity and acceleration of car | Sum Motion in one Dimension – Physics class 9
Problem: A car travels a distance 100 metre with a constant acceleration and average velocity of 20 metre per
mc9cs_anglestriangles
Geometry Sum | ABCD is a square. Prove in each case ∆APD ≅ ∆BPC | Find Angle DPC Angle PCD and Angle PCD |
ABCD is a square and APB is an equilateral triangle. Prove in each case: 1) 𢁪PD ≅ 𢁫PC 2)
mc8sz_speeddistanceandtime
Sums of Speed Distance and Time Part 3 | Mathematics Class 8
Three sums of speed distance and time are discussed in the video. The sums are given here. 1.
mc8sz_speeddistanceandtime
Speed Distance and Time For Class 8 | Part 2 Mathematics | Relative Speed of Boat
In this video sums related to relative speed of boat in standstill water stream and in a water stream having
mc8sz_theorem
Theorem: Tangent and Radius of a Circle | are Perpendicular to Each Other.
Theorem :Tangent and radius of a circle are perpendicular to each other. Solution : Given: A circle with centre O.
mc8sz_theorem
Theorem : The Angle in a Semi-Circle is a Right Angle
Theorem: The angle in a semicircle is a right angle Given : A circle with centre 0 with � at