rhea1530
rhea1530 rhea1530
  • 20-10-2022
  • Physics
contestada

A dart of mass 22g is travelling at 7ms-^1 when it strikes a board. How thick must the board be to prevent the point of the dart reaching the wall behind the board? Assume the resistive force exerted by the material of the board is constant and of value 20N.

Please can you show your working, as I'm really stuck on this!

Respuesta :

Otras preguntas

find domain and range
what are 3 names for a parallelogram
best estimate for 49% of 15?
What is the standard form for 25x²+4y²+50x-24y-39=0
A current made of which water would be a surface current? A. cold water with low salt content B. warm water with high salt content C. cold water with high s
The sum of three consecutive numbers is 84. what is the smallest of the three numbers?
How are "Mary Cassatt: Artist and Trailblazer" and "Young Pablo Casals" similar? A. Both depict Paris as the center of the artistic world. B. Both show how mus
1 gallon minus 1 quart, 1 pint, and 1 ounce
the third term in the expansion of the binomial (2x+Y2)5
Which statement about the U.S. Constitution is true? A. It is an expanded version of Thomas Paine's pamphlet Common Sense. B. It called for judges to be appo