Look at the diagram. The electricity supplier charges 14p per unit. How much did this electricity cost over the 24 hour period?
Enter your answer as a number
pence
31463
31487
Initial
meter reading
Reading after
24 hours

The dot diagram represents the motion of the motorcycle as it moves from left to right

What is the coefficient of kinetic friction μk between the block and the tabletop?

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?