Answer:
C. Increasing its buoyancy
Electromagnetic waves do not require a medium to travel through. They can travel through empty space or matter.
Answer:
1 hour to ride his motorcycle
Answer:
An X-ray is used to take pictures of your bones. The waves that are used are known as radiation waves.
Answer:
Explanation:
You pull a sled exerting a 50 N force on it , sled also exerts a force on you . These forces are action and reaction force , as per third law of Newton . These two forces are equal and opposite . But they do not act on the same object so they do not cancel each other . They act on different objects , one on the sledge and the other on you . Due to force on sledge , sledge moves in the direction of force or towards you . You will start moving in opposite direction if frictional force of ground is nil or less .
