What force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s2?
a. 1.875 kg
b. 120 n
c. 23 n
d. 23 kg

120N

Explanation:

as we know that according to 2nd law of motion

F=ma

F=(15)(8)

F=120N

so correct ans is 120N.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

2%? i tried finding the exact sorry if it's not 100% correct ; -;