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two forces of 5N and 12N respectively act on the same point.show how you would determine the magnitude of the resultant by using
5 answers
asked by
Anonymous
3,746 views
24 g of carbon and 32 g of oxygen combine to form carbon monoxide. What is the mass of the carbon monoxide formed?
5 answers
asked by
Hii
998 views
36 g of HCl and 40 g of NaOH combine to form 58 g of NaCl. What is the amount of water produced in this process?
5 answers
asked by
Hii
1,238 views
Why do restaurants wash their dishes with hot water?
3 answers
asked by
Lisa
163 views
If 96 g SO2 is added to 2 moles of oxygen at STP calculate the total volume of gas in the container at the end of the reaction
4 answers
asked by
Diego
174 views
What conclusion can be drawn from the voltmeter readings
3 answers
asked by
Tyson
97 views
A motorist drives north at 28m/s for 5 minutes, turns around and then drives 25m/s in the opposite direction for 3 minutes
3 answers
asked by
Nsuku
697 views
Calculate the number nucleons in 10cm^3fluorine gas
3 answers
asked by
Zanele
125 views
Physical science a semester exam
1 answer
asked by
Izabella
413 views
Determine the centripetal acceleration of an automobile making a tight turn that has a radius of 256 m, if the is traveling at a
1 answer
asked by
Shirley
349 views
Which of the following is not a use for radioactive isotopes?
a.as tracers for diagnosing a disease b.as an additive to paints to
1 answer
asked by
Julia
591 views
What type of intermolecular forces exist in each liquid
1 answer
asked by
Karabo
492 views
In a recipe for lemonade it gives the ingredients as 1 cup of water,1.5 tablespoons lemon juice, plus sugar and salt.Not taking
2 answers
asked by
Papaya
597 views
Calculate the average velocity of Joe is he was able to travel 40 km south in 2 hours in his car
3 answers
asked by
Dallas
434 views
A brick falls off a scaffold at a height of 80meters above the ground.
Calculate the magnitude of its velocity when it hits the
2 answers
asked by
Lholo
540 views
Mention four branches of physical education Wikipedia
2 answers
asked by
Jessica
561 views
Mention four branches of physical science
1 answer
asked by
Jessica
424 views
What is the kinetic energy of a 18 kg dog that is running at a speed of 8.7 m/s (about 19 mi/h)?
2 answers
asked by
Anonymous
661 views
An empty pickup truck has an 500 kg of mass and travels north at a rate of 14 m/s. What is the momentum of the truck
1 answer
asked by
Aaliyah
400 views
The full rang of frequencies of electromagnetic radiation is called??
1 answer
asked by
Connex+us
344 views
What is the density of g/cm^3, of a piece of metal that has a mass of. 500kg and a volume of 63cm^3
4 answers
asked by
Ray
1,259 views
Which procedure would best allow a scientist to observe a chemical property of hydrochloric Acid (Hci) solition?
My answer is B
13 answers
asked by
Student 5
2,685 views
The measurement system used most by scientists and engineers known as the international system of units is represented by the
1 answer
asked by
Censored
395 views
A car has a momentum of 20000 km m/s what will the cars new momentum be if it’s doubled by adding more passengers and a good
3 answers
asked by
Zanele Thabe
654 views
Convert seconds to m/s
1 answer
asked by
Zanele Thabe
152 views
Calculate the deceleration
1 answer
asked by
Nobuhle
234 views
Explain using the kinetic molecular theory what happens to the water molecules when changing from liquid to gas
1 answer
asked by
Andile
264 views
A student claims that the equation models beta minus decay because the atomic number of the nucleus decreases by one and 1 to 2
6 answers
asked by
Anonymous
1,899 views
Which statement correctly describes the relationship between thermal energy and particle movement
3 answers
asked by
Anonymous
421 views
Suppose two charged objects with a charge +2MC and -3MC touch each other. Calculate the new charge after separation
1 answer
asked by
Karabo
358 views
If the actual mass of iron oxide at the end of the experiment is 130g. What is the percentage yield
1 answer
asked by
Gladwell
363 views
A car is stationary at first.it moves off with an acceleration of 2 m.s-2
1 answer
asked by
Ntsikelelo
84 views
If 96 g so2 is added to 2 moles of oxygen at Stp, calculate the volume of so3 that is formed
1 answer
asked by
S
90 views
What characteristic of science does the situation demonstrate
1 answer
asked by
Cory
71 views
Why are noble gases the least reactive elements?
3 answers
asked by
Mikayla
376 views
Nucleons in 10cm³ in florine gas
1 answer
asked by
Bongani
119 views
If 96 g SO2 is added to 2 moles of oxygen at STP, calculate the volume of SO3 that is formed
1 answer
asked by
Kgothatso
95 views
What is your conclusion about resistance and current in a series electric circuit when more resistors are added to the circuit
1 answer
asked by
Khensani
89 views
consider this reaction : 2SO2 + O2 =2SO3 if 96g SO2 is added to 2 moles of oxygen at STP calculate the volume of oxygen used
1 answer
asked by
Michaela
75 views
2so2+o2-2so3 if 96g so2 is added to 2 moles of oxygen at STP calculate the volume of so3 that is formed
1 answer
asked by
Chanel
72 views
2so2+o2-2so3 if 96g so2 is added to 2 moles of oxygen at STP calculate the volume of oxygen used
1 answer
asked by
Chanel
91 views
What is the shape of methylated spirits droplets
1 answer
asked by
Lucy
75 views
If the mass of elements before a chemical reaction is 30 grams , after the chemical reaction , the mass will be _
A.) 28g B.) 30
2 answers
asked by
Kin
573 views
Thank you so some much I hate furries!!!
1 answer
asked by
Kin
68 views
With three resistors in series (Diagram 3) , how does the sum of v1 , v2 and v3 compare to vT
1 answer
asked by
Zee
48 views
Which statement explains the relationship between the amount of energy it takes to break a bond and the amount of energy
1 answer
asked by
Anonymous
246 views
What is the gravitational force acting on a 70 kg person standing at sea level
1 answer
asked by
Anonymous
66 views
According to the law of conservation of matter what happens to atoms during a chemical reaction?
1 answer
asked by
Mariyah
92 views
A gun of mass 10000 kg fires a shot of mass 50 kg with a velocity of 250m/s.find the velocity of recoil of gun.
1 answer
asked by
Deepu
60 views
Levers quick check
3 answers
asked by
Izabella
304 views
Determine whether you are accelerating as Earth rotates once every 24 hours
1 answer
asked by
Anonymous
39 views
A cubical container full of hot water at a temperature of 90 °C is completely lagged with an insulating material of thermal
1 answer
asked by
Zee
92 views
A student places five books next to each other on their ends. She then pushes the first book with her finger, and a few seconds
1 answer
asked by
Kianna Dekle
146 views
investigating gravity quick check connexus
3 answers
asked by
John
150 views
Which of the following has kinetic energy
1 answer
asked anonymously
50 views
Calculate the frictional force of a wooden block of 600g experienced when it moves on a horizontal plane ,subject to an applied
1 answer
asked by
Charlotte
47 views
An object has a charge of - 2,4×10^-16 c how many excess electrons does it have?
1 answer
asked by
Neo
71 views
A man with a mass of 80 kg is standing on the surface of the earth. Calculate the magnitude of the attractive force that the
1 answer
asked by
Chantell Mwale
79 views
A man with a mass of 80 kg is standing on the surface of the earth. Calculate the magnitude of the attractive force that the
1 answer
asked by
Chantell Mwale
80 views
Use structural formulae to write down the balanced equation for the reaction of methyl ethanoete
1 answer
asked by
Lutho
83 views
Which is the best example of a thermal conductor?
1 answer
asked by
Lisa
67 views