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Calculate the momentum of a 5 tonne truck at 50km/h

We know momentum= mass (kg) X Velocity (m/s) So we need to do these conversions: 1tonne=1000kg so 5 tonnes is 5x1000kg = 5000kg There are 1000km in a meter so 50x1000= 50000m/h to get this into m/s we know t...
CZ
Answered by Callum Z. • Physics tutor
3338 Views

How do you form the pluperfect tense?

The pluperfect, much like the passé composé, is a compound tense (i.e. made up of two parts). The first is the auxiliary verb (avoir or être) and the second is the past participle. For this example, I will u...
DF
Answered by Darcy F. • French tutor
3721 Views

How does Charles Dicken’s use language to present the harm of industrialization through description of Coketown in ‘Hard Times’?

Coketown is a fictional industrial city in Charles Dicken’s novel, Hard Times . He wrote it as a protest against industrialization, which he considered harmful to nature and to the human spirit and imaginati...
MP
18942 Views

How do I solve simultaenous equations? e.g. 2x -5y =11 and 3x+2y=7

Step 1: Multiply both equations together so that the multiples of one of the unknown terms are the same or the negative of that number. This will allow you to add/subtract the two equations to eliminate one ...
MK
Answered by Matthew K. • Maths tutor
3858 Views

Describe the key features of a velocity-time graph?

A velocity-time graph shows the speed and direction an object travels over a specific period of time. Velocity-time graphs are also called speed-time graphs. The vertical axis of a velocity-time graph is the...
AG
11704 Views