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A stationary radium atom decays, emiting an alpha particle. Why is the recoil speed of the nucleus small compared to the alpha particle?

Initially the momentum is zero.

Due to conservation of momentum, the alpha particle and radium nucleus must gain equal but opposite momentum.

The mass of the radium nucleus ...

DD
Answered by Daisy D. Physics tutor
9943 Views

What are the set of values for x that satisfy the below equation?

x2 - 9x ≤ 36

1. Draw a graph.

y = x2 - 9x and y = 36

2. Find the points of intersection by solv...

DD
Answered by Daisy D. Maths tutor
10308 Views

Explain what is meant by 'homeostasis' and give an example of this process in the human body.

Homeostasis is the process of maintaining a constant internal environment in the body.

An example of this is maintaining the temperature of the body. Human body temperature must be mainta...

OW
Answered by Oli W. Biology tutor
23030 Views

How do I structure a good AS essay?

1. The Essay QuestionThe first thing you should do when you get into the exam is to copy out the essay question title onto the top of your answer sheet. It may waste a minute or tw...

LB
Answered by Lucy B. French tutor
3435 Views

What are polar coordinates?

People doing mathematics at A-Level will be familiar with the concept of using x and y coordinates in the cartesian coordinate system. But introducing the idea of the polar coordinate system can be confus...

AW
4503 Views

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