Question

The last question i need help on and can you explain please? On D

Answer 1

Answer:

speed

Explanation:

Acceleration means an increase in the rate or speed of something.

Answer 2

Answer:

d) 25 m/s²

Explanation:

$\boxed{F = ma}$

where F= force (N), m= mass (kg), a= acceleration (m/s²)

Net force

= 125 -75

= 50 N

(This is found in part a)

Given that the mass is 2kg, m=2.

F= ma

50= 2a

a= 50 ÷2

a= 25 m/s²