You are tossing pizza dough to get it ready to bake. if you toss the dough upward with a speed of 3.1 m/s, how high does it go?

It goes to the height of 0.50 m.

Explanation:

Given that,

Initial velocity = 3.1 m/s

We need to calculate the height

Firstly, We calculate the time

Using equation of motion

Where, v = final velocity

u = initial velocity

t = time

g = acceleration due to gravity

Put the value in the equation

Now, We calculate the height

Using equation of motion

Where, s = height

t = time

Put the value in the equation

Hence, It goes to the height of 0.50 m.

the average speed is 24.57 km/hr

  the grams     of oxygen gas   that can be produced     is 20.6   grams of o₂

calculation

2liclo₃ →   2 licl + 3 o₂

step 1:   find the moles of liclo₃

moles = mass÷ molar mass

from periodic table the molar mass of liclo₃ =6.9 +35.5   +(16 x3) =90.4 g/mol

moles=38.7 g÷90.4 g/mol=0.4281   moles

step 2:   use the   mole ratio   to calculate the moles of o2

from equation above, liclo₃: o₂   is 2: 3  

therefore the moles of   o₂=0.4281 moles x3/2 =0.6422   moles

step 3: find mass   of o₂

mass= moles x molar mass

from periodic table the   molar mass of   o₂ = 16 x2= 32 g/mol

mass=0.6422   moles   x   32 g/mol = 20.6 grams of o₂