Heat energy required= mass x change in temperature x specific heat capacity = 20 x 35 x 4200= 2940000 J
ANSWER:
The answer will be OT
Hi there!
![\large\boxed{10 m/s}}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7B10%20m%2Fs%7D%7D)
When a projectile is launched, the HORIZONTAL component remains constant.
The force of gravity only changes the vertical component of the velocity.
As the two components are completely independent of one another, the horizontal component is UNCHANGED.
It would be c repeated processes-that are used in a variety of ways