Question

1. The potential energy stored in the wound-up
spring of a toy motor-car is 18 J. Ignoring
any frictional resistance to motion, find the
distance this car (mass 200 g) will travel up a
slope of 1 in 5​

Answer 1

Answer:

w=fs

so s=w/f

therefore distance or s= 32. 4 m answer

Answer 2

The total surface area of a cylinder is 748 m^2 and its volume is 1540 m^3. find its radius and height ?

And

if you put the value of radius is 7 and height is 10 then the total surface area of cylinder maybe 748m^2