If I am correct a <span>child holds a toy above her head and then lets it fall to the ground. </span>
Answer:
It makes it lighter when its closer and heavier when its farther way.
Explanation:
Answer:
150 million kilometres
Explanation:
The astronomical unit (symbol: au, or AU or AU) is a unit of length, roughly the distance from Earth to the Sun and equal to 150 million kilometres (93 million miles) or 8.3 light minutes.
Answer:
Length of the pendulum will be 3.987 m
Explanation:
We have given time period of the pendulum T = 8 sec
Acceleration due to gravity 
We have to find the length of the simple pendulum
We know that time period of the simple pendulum is given by



So length of the pendulum will be 3.987 m
physical property is a characteristics of a pure substance that can be observed without changing the substance into someone else.