زهور الجوري
Member
السلام عليكم
ممكن حل هذه المسائل
A major motor company displays a die-cast model of its
first automobile, made from 9.35 kg of iron. To celebrate
its hundredth year in business, a worker will recast the
model in gold from the original dies. What mass of gold is
needed to make the new model?
Calculate the mass of an atom of (a) helium,
(b) iron, and (c) lead. Give your answers in grams. The
atomic masses of these atoms are 4.00 u, 55.9 u, and 207 u,
respectively.
Which of the following equations are dimensionally
correct?
(a) vf $ vi'ax
(b) y $ (2 m)cos(kx), where k $ 2 m"1.
A rectangular building lot is 100 ft by 150 ft. Determine the
area of this lot in m2.
Approximately how many raindrops fall on a one-acre lot
during a one-inch rainfall? Explain your reasoning.
اتمنى مساعدتي يا اخوان ضروري
ممكن حل هذه المسائل
A major motor company displays a die-cast model of its
first automobile, made from 9.35 kg of iron. To celebrate
its hundredth year in business, a worker will recast the
model in gold from the original dies. What mass of gold is
needed to make the new model?
Calculate the mass of an atom of (a) helium,
(b) iron, and (c) lead. Give your answers in grams. The
atomic masses of these atoms are 4.00 u, 55.9 u, and 207 u,
respectively.
Which of the following equations are dimensionally
correct?
(a) vf $ vi'ax
(b) y $ (2 m)cos(kx), where k $ 2 m"1.
A rectangular building lot is 100 ft by 150 ft. Determine the
area of this lot in m2.
Approximately how many raindrops fall on a one-acre lot
during a one-inch rainfall? Explain your reasoning.
اتمنى مساعدتي يا اخوان ضروري
