1 year ago

Name the inertia in the following cases.

Physics

1 answer:

Bogdan [553]1 year ago

5 0

Answer:

inertia of motion

Explanation:

it's because when a passenger is jumping from a bus his/her body is in motion after falling in a road he/she remains or tends to remain in the state of motion that is the reason

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A magnifying glass uses a convex lens of focal length 6.25 cm. When it is held 5.20 cm in front of an object, what is the image

mars1129 [50]

Answer:

The answer is either 5 or I'm learning something different and I just can't read

Explanation:

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2 years ago

What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 68 m?

hram777 [196]

Answer:

frequency = 5 Hz

Explanation:

F = v/wavelength

F = 340/68 =5Hz

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2 years ago

Which part of this model represents a layer made of liquid rock that produces

goblinko [34]

Answer: C- the outer core

Explanation: The outer core is a thick layer of molten rock that encircles the inner core.

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2 years ago

A car of mass 200 kg, moving with a forward acceleration of 3 m/s-ıs acted upon by

Shkiper50 [21]

Answer:

600 N

Explanation:

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2 years ago

A spring with k = 53 N/m hangs vertically next to a ruler. The end of the spring is next to the 18 cm mark on the ruler. If a 2.

Anarel [89]

Answer:

1.07 m

Explanation:

x = Compression of the spring

k = Spring constant = 53 N/m

Initial length = 18 cm

P = Kinetic energy

K = Kinetic energy

At the lowest point of the mass the energy conservation is as follows

$P_{ig}+P_{is}+K_i=P_{fg}+P_{fs}+K_f\\\Rightarrow mgx+0+0=mgx+\frac{1}{2}kx^2\\\Rightarrow x=\frac{2mg}{k}\\\Rightarrow x=\frac{2\times 2.4\times 9.81}{53}\\\Rightarrow x=0.89\ m$

At its lowest position the mark on the ruler will be

$x_f=0.18+0.89\\\Rightarrow x_f=1.07\ m$

The spring line will end up at 1.07 m

4 0

2 years ago