A box with a mass of 50 kg is raised straight up. What is the force of the box?
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Answer:
A box with a mass of 50 kg is raised straight up. What is the force of the box? plss help!! two types exist-positive and negative. possible answers: A- electric current B- repel C- lines of force D- charges. Five wavelengths are generated every 0.100 s in a tank of water.
Explanation:
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∆ STRONG ACIDS :
• SULPERIC ACID
• HYDROCHLORIC ACID
• NITRIC ACID
∆ STRONG BASES :
• SODIUM HYDROXIDE
• POTASSIUM HYDROXIDE
• CALCIUM HYDROXIDE
• BARIUM HYDROXIDE
∆ WEAK ACIDS :
• ACETIC ACID
• PHOSPERIC ACID
• FORMIC ACID
∆ WEAK BASES :
• ANMONIUM HYDROXIDE
• MAGNESIUM HYDROXIDE
• SODIUM HYDROXIDE
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The magnetic field strength=1.46 x 10⁻⁵ T
Explanation:
the magnetic field is given by
B=
μo= 4π x 10⁻⁷ Tm/A
i= current= 4.1 A
r=0.056 m
B= (4π x 10⁻⁷)(4.1) / (2π*0.056)
B=1.46 x 10⁻⁵ T
The reaction is:
From the equation, he limiting reactant is the oxygen.
Assuming 100% yield, all of the oxygen must react to form water.
1000 mol * (1 mol ÷ ½ mol ) = 2000 moles water
produced
Change in Momentum = mv - mu. u = 0, v = 10 m/s. Note ball accelerated from rest, so initial velocity = 0. u =0 Change in Momentum = mv - mu = 3*10 - 3*0 =30. Change in Momentum = 30 kgm/s.