Answer:
position 2
Explanation:
the gravity from the ball to the floor had the most movement involved.
Answer:
11760J
Explanation:
Given parameters:
Height of hill = 30m
Weight = 40kg
Unknown:
Gravitational potential energy = ?
Solution:
To find the gravitational potential energy, it is the energy due to the position of a body;
G.PE = mgh
m is the mass
g is the acceleration due to gravity
h is the height
Now insert the parameters and solve;
G.PE = 40 x 9.8 x 30 = 11760J
Answer:

Explanation:
The artificial gravity generated by the rotating space station is the same centripetal acceleration due to the rotational motion of the station, which is given by:

Here, r is the radius and v is the tangential speed, which is given by:

Here
is the angular velocity, we replace (2) in (1):

Recall that
.
Solving for
:

New rock get on top of old rock to form new layers of rock
Answer:
Behaviour and uses of electromagnetic waves
Radio waves. Radio waves are used for communication such as television and radio. ...
Microwaves. Microwaves are used for cooking food and for satellite communications. ...
Infrared. ...
Visible light. ...
Ultraviolet radiation.