0654 Multiple choice 1

A motorcycle accelerates uniformly from a velocity of 20 m / s to a velocity of 35 m / s in 5.0 s. What is its acceleration?

Which two pieces of apparatus are used to find the density of a small, irregularly shaped piece of metal?

• balance and metre rule

• beaker and metre rule

• balance and measuring cylinder

• beaker and measuring cylinder

Which electrical device transfers chemical energy into electrical energy?

• lamp

• electric motor

• television

• battery

From which type of energy is electrical energy transferred in a hydroelectric power station?

• chemical potential energy

• elastic potential (strain) energy

• gravitational potential energy

• nuclear energy

Equal volumes of a gas, a liquid and a solid are heated through the same temperature difference at constant pressure. Which statement about their expansions is correct?

• The gas expands the most.

• The liquid expands the most.

• The solid expands the most.

• The gas, the liquid and the solid all expand by the same amount.

• 
• 
• 
• 

Which type of magnet can be switched on and off many times per second?

• an electromagnet only

• a permanent magnet only

• both electromagnets and permanent magnets

• neither electromagnets or permanent magnets

• wire Y

• wire X

• wire Z

• none of them

• 2400J

• 3600J

• 1800J

• 30J