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ss7ja [257]
3 years ago
11

How can you tell if one object has more mass than another does, on a planet without gravity

Physics
1 answer:
Serhud [2]3 years ago
3 0

an object is more dense if there is more weight in the same area, its because of the amount of particles and the weight of the particles. eg, 1cm cubed of gold would weigh alot more than 1cm cubed polystyrene, so gold is more dense

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Bella makes the 2.5m distance to her food bowl in 9.1 seconds. What is her average velocity?
e-lub [12.9K]
  • Distance=2.5m
  • Time=9.1s

Average Velocity=Total Distance/Total Time

\\ \sf\longmapsto \dfrac{2.5}{9.1}

\\ \sf\longmapsto 0.3m/s

7 0
3 years ago
A large, 60 turn circular coil of radius 10.0 cm carries a current of 4.2 A. At the center of the large coil is a small 20 turn
Eddi Din [679]

To solve this problem we apply the concepts related to the electric torque generated by the electromagnetic field. Mathematically this Torque can be written under the following relation

\tau = NIAB sin\theta

Here,

N = Number of Turns

I = Current

A = Area

B = Magnetic Field

The maximum torque will be reached when the angle is 90 degrees, then we will have the following relation,

\theta = 90\°C

Magnetic Field is given at function of the number of loops, permeability constant at free space at the perimeter, then

B = \frac{N\mu_0 I}{2\pi r}

B = \frac{(60)(4\pi * 10^{-7})(4.2)}{2\pi (0.1)}

B = 5.04*10^{-4}T

Replacing at the first equation we have,

T = (20)(\pi (0.005)^2)(1)(5.04*10^{-4})

T = 7.91*10^{-7}N\cdot m

4 0
3 years ago
A freight train rolls along a track with considerable momentum. If it rolls at the same speed but has twice as much mass, its mo
GREYUIT [131]

Answer:

doubled

Explanation:

<u>Step 1</u>. Linear momentum (p) = mass X velocity = mv

p = mv -----equation 1

<u>Step 2</u>. if the mass is now twice and speed is same

p = (2*m)v -----equation 2

solving equation 1 and 2 together,

p = mv = 2mv

p = 2

Therefore, its momentum is doubled

7 0
3 years ago
In single-slit diffraction, what happens to the dark fringes if the slit gets wider?.
Reptile [31]

The spacing between the fringes does not depend on the width of the slit.

The light intensity produced by the slits increases with increased width of the slit. The screen thus develops brighter fringes as the slit width increases.

On the screen, coloured fringes will be created if the white light replaces monochromatic light.

<h3>What is diffraction?</h3>

Diffraction is the breaking up of an electromagnetic wave as it passes a geometric structure (e.g. a slit), followed by reconstruction of the wave by interference. Diffraction occurs for all types of waves, including sound waves.

Learn more about diffraction:

brainly.com/question/16749356

5 0
3 years ago
.
lesya692 [45]

Answer:

John Dalton

Explanation:

Dalton's atomic theory was the foundation for a new understanding of chemical structures. He proposed that matter was constituted by indivisible and indestructible particles "atoms." He theorized that all atoms of a particular substance were equal, and the atoms of different substances had atoms of different sizes and masses.

He also proposed that all compounds of elements were combinations of elements but in a very precise ratio.

7 0
3 years ago
Read 2 more answers
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