Physics
The energy stored in a watch spring is

Kinetic energy
Heat energy
Chemical energy
Potential energy

ANSWER DOWNLOAD EXAMIANS APP

Physics
RADAR is used for:

locating submerged submarines.
locating geostationary satellites.
detecting and locating the position of objects such as Aeroplanes.
receiving a signals in a radio receiver.

ANSWER DOWNLOAD EXAMIANS APP

Physics
Acceleration is

Inversely proportional to mass
Directly proportional to force
Inversely proportional to force
Directly proportional to mass

ANSWER DOWNLOAD EXAMIANS APP