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Q: If a student has a mass of 90 kg what is the students weight?

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A student with a mass of 90 kg on the earth (gravity =9.8m/s/s) will have a weight of 882 Newtons. Weight = Mass * Gravity

Pretty big.

Micrograms is a measure of weight or mass. 90 micrograms is equal to about 0.000003175 ounces.

On Earth, 90 kg of mass weighs 882 newtons (198.4 pounds).

Weight = (mass) x (acceleration due to gravity)= 90kg x 9.8ms-2= 882N

Weight = m g = (90 x 10) = 900 newtons

Unfortunately, this was probably asked by a potential American student and shows that we are far behind in basic math; 90.

On my planet a man with a mass of 90 kg has a weight that is also 90 kg. On the Moon the same 90 kg man has a weight of 15 kg because the Moon is smaller and has less gravity. We distinguish between mass (amount of matter) and weight (a downward force) so that mass stays the same wherever the man is, even if his weight changes. Since Isaac Newton's time we know that force is equal to mass times acceleration, and the unit of force is defined technically as the force that accelerates a mass of 1 kg by 1 metre per second, every second. That amount of force is a Newton. If a 1-kg mass is dropped it will accelerate downwards at 9.806 metres per second per second, therefore the force on it is 9.806 Newtons. So the weight of a 90 kg man is technically described as 90 x 9.806 Newtons, in other words 882 Newtons. On the Moon his mass is still 90 kg but his weight is now only 147 Newtons.

A person whose mass is 90 kilograms is attracted to the earth's mass by a force of 198.4 pounds (rounded). The earth is attracted to him by an equal force.

As written, any number of students could go on the field trip. If you stipulate that every student must have at least one juice box and one pack of crackers, then 90 students can go but that's going to leave some very hungry chaperones.

This is not a valid conversion; milligrams (mg) and grams (g) are measures of weight or mass while milliliters (mL or ml) measure volume.

110 students, 90 adults.

WEIGHT is a VECTOR quantity .. because the weight has the direction into the surface of the earth to the down effected by the gravity .. but mass is a scalar quantity like 90 kg .. so .. WEIGHT IS VECTOR ..

You would have to do 270 divided by 3 and get 90. Then multiply 90 by 2 and get 180 as your answer.

An Athlete with a weight of 100kg, running at the same speed as a 90 kg athlete will have a greater momentum and will push the 90 kg athlete backwards.

A US gallon of 90 weight oil weighs approximately 6.8 pounds. An Imperial gallon of 90 weight oil weigh approximately 8 pounds.

No, proteins do not make up 90 percent of your body weight. Water makes up 90 percent of your body weight.

.7x-.6x=9, .1x=9, x=9/.1=90 students

What is the weight of a 90 blue band mercury

Mass is a quality of matter (apparently a construct of the Higgs field, but that's probably a little more answer than you were looking for). Weight is mass acted on by gravity. Mass is usually stated in units of kilograms. Weight can also be stated in kilograms, but is sometimes expressed in newtons. The mass stays constant, while the weight can change. If you are 90 kg, then on the moon your mass would still be 90 kg, but your weight would be one sixth of that, 15 kg. Weight is the force of attraction exerted on you by the moon or the earth, whichever you happen to be standing on. In science and engineering mass is described in kilograms, while weight (force) is measured in Newtons which goes back to Newton's second law of motion: force equals mass times the rate of change of momentum. In most cases that can be simplified to force equals mass times acceleration. A force of 1 Newton causes a 1 kg mass in free motion to increase its speed by 1 meter per second every second. In practice on the earth's surface a 1 kg mass has a weight of 9.81 Newtons, but in everyday language we say its weight is 1 kg because that works for everyone who is not an astronaut :).

In the SI the unit of mass is kilogram: the mass of of a cylinder (height=diameter= 39,17 mm) made from 90 % platinum and 10 % iridium. The instrument to measure mass is a balance.

72 is 80 percent of 90.

.9(90%)*30 = 27, so 30-27 = 3.

about 90

about 90