A metal bowl with a weight of 1.95 N is placed in a larger kitchen container filled with coconut oil. How much coconut oil must the bowl displace in order to float

Aprotein molecule in an electrophoresis gel has a negative charge.the exact charge depends on the ph of the solution, but 30 excesselectrons is typical. what is the magnitude of the electric forceon a protein with this charge in a 1500 n/c electric field?

The resistance of 100 w bulb is less than resistance of 40 w bulb. explain the reason.

Give the relation of resistance of wire with its length and thickness