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Stolb23 [73]
3 years ago
6

Two students are doing an experiment. They mix 9 sugar cubes and 2 teaspoons of baking soda,

Physics
1 answer:
Law Incorporation [45]3 years ago
6 0

Answer:

15 grams

Explanation:

9 sugar cubes + 2 teaspoons of baking soda + 2 grams of the sugar cubes each + 3 grams of baking soda = 15g.

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You find an unmarked blue laser on your way to physics class. When you get to class you realize you can determine the wavelength
Ray Of Light [21]

Answer:

wavelength \lambda = 437.27 nm

Explanation:

given data

first bright fringe = 2.96 mm

slit separation = 0.325 mm

distance D = 2.20 m

solution

we know that this is double slit experiment

so we apply here Fringe width formula that is

β = \frac{D\lambda}{d}    ....................1

\lambda is Wavelength of light and  D is Distance between screen and slit and d is slit width

so put here value and we get

\lambda = \frac{2.96*0.325*10^{-6}}{2.20}    

\lambda = 437.27 × 10^{-9} m

wavelength \lambda = 437.27 nm

4 0
3 years ago
26. An ice-skater who weighs 200 N is gliding across the ice. If the force of friction is 4 N. what is the
Scrat [10]

Answer:

0.02

Explanation:

coefficient of kinetic friction = μ

force of friction = Ff

Normal Force = FN, but

FN = -W

Ff = -μFN

so μ = Ff/FN

= 4N/200N

= 0.02.

7 0
3 years ago
Describe how you could measure the thickness of paper with an ordinary ruler
Svetllana [295]
Measure a whole stack (one in which you know the number of sheets), then divide your measurement by the number of sheets in that stack
5 0
3 years ago
How high can you<br> throw a ball? What variables might affect the answer<br> to this question?
Wewaii [24]

Answer:

velocity

acceleration

time taken

air pressure

size of the ball

gravity(gravitational acceleration )

4 0
3 years ago
Read 2 more answers
How can you use a ticker tape timer in describing motion graphically?
Bad White [126]
Ticker Tape analysis is a common way of analyzing the motion of the objects to perform in the physics laboratory. A long tape is attached to a moving object and threaded through a device that places a tick upon the tape at regular intervals of time. This ticker tape can also determine if the object is fast or slow. It can also reveal if the object is moving with a constant velocity or accelerating. The changing velocity and acceleration represented by the changing distance between dots in the ticker tape. And also the constant velocity and therefore no acceleration represent the constant distance between dots.

8 0
3 years ago
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