Showing posts from December, 2022Show All
Magnetically Hard Material
A hard magnetic material, such as ALNICO (an alloy of aluminium, nickel and cobalt), h…
Two trains are traveling in the same direction.The first one leaves at 8 AM with a speed of 40km/hr and the second leaves at 11 AM with a speed of 60 km/hr. At what time will the second train catch the first train?
As per the question we can arrange the given data for the two trains as, Train 1 Spee…
Two cars A and B, are moving along a straight road in the same direction with velocities of 25 km/hr and 40km/hr respectively. What is the velocity of car B relative to car A?
Given data in this problem can be listed as, velocity of car A = 25km/hr v…
The fastest server in the women’s game is Venus Williams of the United States of America, who recorded a serve of 205 km/hr during a match in Switzerland in 1998. Calculate the ball’s momentum if it has a mass of 58 g.
Given data here are, velocity , v= 205 km/ hr = 205 x 1000/ 3600 m/s v =…