A matchbox consists of a tray inside an open ended cover. The ends are of square cross section and the volume is 250 square cms. If the depth of the tray is y cm, neglecting the thickness of the...
I've read threads so changed spark plugs, all leads, coil pack, lamba sensor and the I take valve thing. Just started it ip and light still on and still shudders. Please help I'm out of ideas
I’m trying to fit a blind to my window but when I drill I go through 12mm plasterboard then about 15mm gap then I hit something a bit like diamond. I’ve used my newest masonry bit with hammer action...
I have had a a Westwood sit on lawnmower for many years. The revolving pick-up brushes are not been turning. I accidentally reversed over an old cotton sheet and this got caught up on the brushes. I...
A farmer is to enclose an area of land using a dry stone wall and 200 metres of picket fencing. The rectangular plot is for home grown produce to meet his ever growing family's needs. You must show...
A 1000 kg car is placed on the large piston of an hydraulic system whose radius is 5 metres. a.)What is the minimum force exerted by the large piston to lift the car? b.)If the mechanical advantage of...
I have ow moved into my new home and there is things I can't fully understand New shower mixer working off the immersion heater. There is off peak electric heaters. Q1 ... Does this mean that I will...
There are N sweets in a bag. Eight of the sweets are red. The rest of the sweets are green. Jack takes a random sweet from the bag. He eats the sweet. Jack then takes at random another sweet from the...
In a bag there are some red sweets and some green sweets. The ratio of red sweets to green sweets is 2:3 Two sweets are taken at random and eaten. The probability they're both green is 35% How many...
I moisten the raw ingredients of my compost bin with 'organic recycled beer and wine'. I also daily swallow tablets to thin my blood, reduce my BP and fight cholesterol. Could I be producing compost...