Question

You have just landed on Planet X. You take out a ball of mass 100 gg , release it from rest from a height of 16.0 mm and measure that it takes a time of 2.90 ss to reach the ground. You can ignore any force on the ball from the atmosphere of the planet. How much does the 100-g ball weigh on the surface of Planet X?

Answer 1

0.173 N.

Step-by-step explanation:

We will calculate the mass and then use the following calculations on the surface of planet X that is :

`W=mg`

We would use the following equation to get the value of g for planet X that is :

`y_f-y_i=v_(yi)t+(1)/(2)gt^2`

Then, put the values in the above equation.

`16=0+(1)/(2)* g*(2.90)^2`

`\bf\mathit{g=3.80\;m/s^2}`

Now, we will measure the ball weight on planet X's surface:

`m=(100)/(1000) \;\;\;\;\;\;\;\;\;\;[1kg=1000g]`

Then, we have to put the value in the above equation.

`W=0.1* 1.73=0.173\:N`