Answer:
the skater is falling bc of gravity and kinetic energy
Explanation:
Answer:
995 N
Explanation:
Weight of surface, w= 4000N
Gravitational constant, g, is taken as 9.81 hence mass, m of surface is W/g where W is weight of surface
m= 4000/9.81= 407.7472
Using radius of orbit of 6371km
The force of gravity of satellite in its orbit,
Where and
F= 995.01142 then rounded off
F=995N
Answer:
Initial velocity U = 0
Final velocity V = 32.23 m/s
Explanation:
Given that a coin is dropped from the top of the Tower of Pisa, 53m above the ground.
What is the coin's initial velocity ?
Since the coin is dropped from the tower, the initial velocity U will be equal to zero.
Therefore, U = 0
But the final velocity V will be calculated by using the formula
V^2 = U^2 + 2gH
V^2 = 0 + 2 × 9.8 × 53
V^2 = 1038.8
V = sqrt ( 1038.8)
V = 32.23 m/s
<span>Cell
phone services can be compared through several characteristic. The rate of the
data transfer: the higher the rate the better the service, the availability-
the percent of the time the service is available (the greater the percent the
better the service) and the reliability, which means that the service is non
interrupted.</span>
<span>Kelvin is an SI base unit of thermodynamic temperature, equal in magnitude to the degree Celsius.</span>