A car travels 60km in 2 hours. What is its average speed?
30km/h
What is the speed of a plane which travels 4000km in 5 hours?
800 km/h
What are the units for current?
Amperes
What does the following circuit component measure?
Current
How many protons does the following element have in its nucleus?
19
A cyclist travels at 45km/h for 45 minutes. How far do they travel?
33.75 km
A train takes 3 hours to travel 240 km. If the train stops for 30 minutes during its journey, what is its average speed?
96 km/h
_________ is a measure of the potential difference from one point in a circuit to the other
Voltage
What are the units for resistance?
Ohms
An isotope of an element has a different number of ________
Neutrons
A runner is travelling at 5 m/s. If they run for 10 minutes, how many laps of a 1000m track would they complete?
3
Between which two times on the below graph show accelerating motion?
40-60 seconds
State Ohm's Law
V = IR
What is the current through a light globe which has a resistance of 10 ohms and a voltage of 4V?
0.4 A
A radioactive sample has a half life of 10 years. If the original sample has a mass of 80 grams, how much is left after 40 years?
5 grams
Samantha drives to her Mum's house for a visit. Below is a graph of her journey. What is her speed on the way to her Mum's house?
40 km/h
A train moves at an average speed of 90km/h. How many minutes will it take to travel 225km?
150 minutes
This electrical component is always connected in parallel to other components in a circuit
Voltmeter
A 24V battery is connected in series with 4 light bulbs. If each light bulb has equal resistance, what is the voltage across each light bulb?
6V
What type of nuclear decay involves the emission of a helium nucleus?
Alpha decay
A runner starts a race at 6m/s for 2.5 minutes, then slows down to 4m/s for 4 minutes. How far does the runner travel during the race?
1680 meters
What is the average speed for the whole journey in the graph below?
58.3 km/h
Which of the circuits below will result in brighter bulbs?
Parallel Circuit
Which direction do electrons flow in the circuit below? (Clockwise/anticlockwise)
Clockwise
Below is a graph of the nuclear decay of Carbon-14
If an original sample contains 500g, what mass of Carbon-14 is left after 16000 years?
75 grams