A magnitude 7.5 earthquake struck central Japan today (on Monday afternoon), collapsing buildings, causing fires and triggering tsunami warnings as far away as eastern Russia, with residents ordered to evacuate affected coastal areas of Japan. The science behind earthquakes: How …
Merry Christmas! Many people around the world celebrate Christmas! For many people, Christmas is all about new clothes, parties and presents. Of course, these are good things, because it is the celebration of the birth of our Lord Jesus Christ! …
What is the maximum force of static friction between a block of ice that weighs 930 N and the ground if μs = 0.12? What is the coefficient of static friction if it takes 34 N of force to start …
A golfer practising on a range with an elevated tee 4.9 m above the fairway is able to strike a ball so that it leaves the club with a horizontal velocity of 20 m s–1. (Assume the acceleration due to …
Basic suvat questions A dog strapped to a trolley is accelerated uniformly from rest, so that after 10 seconds it has achieved a speed of 15 m.s-1. Find its acceleration and the distance it has covered. A car accelerates uniformly …
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