Which apparatus is used to measure mass of a bread

Physics

1 answer:

Harrizon [31]3 years ago

3 0

Explanation:

a triple beam balance can measure the mass of one slice of bread

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The mass of 29000 N elevator is

Lana71 [14]

<span>In this case we are given a force of 29,000 N. We know that the equation we can use is:</span>

Force = mass * acceleration

However this is not just any type of force, because this is the weight of the elevator. So when the force is equal to weight, the acceleration acting is simply gravity. Therefore:

weight = mass * gravity

Calculating for mass:

mass = 29,000 N / (9.8 m/s^2)

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fins the powee of a convex lens which forms a real and inverted image of magnification -1 of an object placed at a distance from

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Explanation:

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Which statements describe the results of the effect of angle of insolation on absorption experiment? Check all that apply.

lilavasa [31]

Answer:

At 6 minutes, the soil temperature at a 45° angle of insolation is higher than at 0°.

At 15 minutes, the soil temperature at a 90° angle of insolation is higher than at 45°

Explanation:

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3 years ago

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Which car has the most kinetic energy?

mixas84 [53]

Answer:

B. A car of mass 2000 kg with speed 7 m/s

Explanation:

The kinetic energy of an object is given by:

$K=\frac{1}{2}mv^2$

where m is the mass of the object and v is its speed.

From the formula, we see that the larger the mass and the speed of the object, the larger its kinetic energy. Among the choices given, we see that the car with largest mass and largest speed is car B, which has a mass of 2000 kg and speed of 7 m/s. Its kinetic energy is:

$K=\frac{1}{2}(2000 kg)(7 m/s)^2=49,000 J$