Answer:
Explanation:
The period of a simple pendulum is given by the equation
where
L is the lenght of the pendulum
g is the acceleration due to gravity at the location of the pendulum
We notice from the formula that the period of a pendulum does not depend on the mass of the system
In this problem:
-The pendulum comes back to the point of release exactly 2.4 seconds after the release. --> this means that the period of the pendulum is
T = 2.4 s
- The length of the pendulum is
L = 1.3 m
Re-arranging the equation for g, we can find the acceleration due to gravity on the planet:
The filament used in light bulb is Tungsten(W).. It's a metal with melting point of about 3300 °C.
Answer:
a) 1074.27 km
b)
c) 477.453 km/h
d) 638.22 km/h
Explanation:
From Pythagoras theorem
AC² = AB²+BC²
Displacement = 1074.27 km
Direction =
Average velocity
Average velocity = 477.453 km/h
Average speed
Average speed = 638.22 km/h
Answer:
The Earth's mantle consistency is like melting wax.
Explanation:
False. Energy can't be created or destroyed. The total amounts of energy before and after are equal.