Answer:
Hope it helps..
Explanation:
Let n be the number of the vernier scale division which coincides with the main scale division. Rotate the vernier caliper 90° and repeat the steps 4 and 5 for measuring the internal diameter in perpendicular direction. To measure the depth, find the total reading and zero correction.
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You should ALWAYS wear lab coats and safety goggles because if anything gets in your eye that will be bad.You should always wear sneakers.If any chemical falls on your open toes then that can hurt you and effect you in a lot of ways.Some labs have this rule,you are not aloud to eat or drink in lab.Hope this helps!
It's a combination of substances that does not have uniform composition and properties.
0.0003321 Newtons
Explanation
We are given the charge, its velocity, and the magnetic field strength and direction. We can thus use the equation to find the force

so
Step 1
Let

now, replace

so, the answer is
0.0003321 Newtons
I hope this helps you