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Describe the cardiac cycle (7 marks)

During diastole the atria and ventricles are relaxed. The atrioventricular valves are open and the semilunar valves are closed. Deoxygenated blood enters the right atrium from the venae cavae and oxygenat...

TS
Answered by Tara S. • Biology tutor
16946 Views

Calculate the acceleration if a force of 500N is exerted on a mass of 20kg

Using F=Ma, rearrage for a, a= 500/20, the acceleration is 25m/s2

PL
Answered by Patrick L. • Physics tutor
4754 Views

A stationary unstable neutral particle decays into 2 separate particles with equal mass and velocity, what might the resulting bubble chamber diagram look like?

The two decayed particles will form identical spirals but in the opposite direction to one another, as they will have to be oppositely charged to preserve the overall charge. The spiral patterns will be i...

PL
Answered by Patrick L. • Physics tutor
3124 Views

What is produced when Sodium Carbonate reacts with Hydrochloric Acid

Since any metal carbonate reacts with any acid to produce a salt and water and carbon dioxide, the resulting product from that specific reaction will be sodium chloride, water

PL
Answered by Patrick L. • Chemistry tutor
15130 Views

Using the substitution u = 2 + √(2x + 1), or other suitable substitutions, find the exact value of 4 0 1 ∫ 2 (2 1) +√ +x dx giving your answer in the form A + 2ln B, where A is an integer and B is a positive constant

I will attach a file with the solution during the interview because it is difficult to type the solution in here.

GB
Answered by Georgica B. • Maths tutor
9855 Views

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