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4 years ago

The tendency of a stationary object to resist being put into motion is known as _______?

Physics

1 answer:

seropon [69]4 years ago

5 0

Inertia. It also is the tendency of an object in motion to stay in motion in one specific direction.

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The MRI (Magnetic Resonance Imaging) body scanners used in hospitals operate at a frequency of 400 MHz (M = 106 ). Calculate the

horrorfan [7]

Answer:

Energy, $E=2.65\times 10^{-25}\ J$

Explanation:

It is given that,

The MRI (Magnetic Resonance Imaging) body scanners used in hospitals operate at a frequency of 400 MHz,

$\nu=400\ MHz=400\times 10^6\ Hz=4\times 10^8\ Hz$

We need to find the energy for a photon having this frequency. The energy of a photon is given by :

$E=h\nu$

$E=6.63\times 10^{-34}\ J-s\times 4\times 10^8\ Hz$

$E=2.65\times 10^{-25}\ J$

So, the energy of the photon is $2.65\times 10^{-25}\ J$ . Hence, this is the required solution.

6 0

3 years ago

suppose larry stands with more weight on one scale than the other if one scale reads 400 N. what does the other read?

Evgen [1.6K]

The other scale will either have a higher or lower number because 400 could be the bigger number or the smaller number but we don't know that so you cant exactly answer it.

8 0

3 years ago

Read 2 more answers

1. What is the pull that all objects exert on each other?

Andrei [34K]

Answer:

Im pretty sure 1 is gravity, 2 is force

Explanation:

8 0

3 years ago

A block is attached to a spring and rests on a horizontal, frictionless surface. The block is pulled to the right and released f

lana66690 [7]

Answer:

Explanation:

x(t) = (3.5 cm)cos[(0.8 rad/s)t]

Angular velocity ω = .8

Time period = 2π / ω

= 2 X 3.14 / .8

= 7.85 s

First time block will pass through equilibrium is T/4 ,

Second time block will pass through equilibrium

= 3.T/4

= 3/4 x 7.85

= 5.8875 s

6 0

3 years ago

During the hammer throw at a track meet, an 8.0 kg hammer is accidentally thrown straight up. If 784.0 J of

jeka57 [31]

The height risen by the hammer when the work were done is 10 m.

The given parameters;

Mass of the hammer, m = 8.0 kg
Work done on the hammer, W = 780 J

Apply work energy - theorem to determine the height risen by the hammer when the work is done on it;

$E = mgh\\\\h = \frac{E}{mg} \\\\h = \frac{784}{8 \times 9.8} \\\\h = 10 \ m$

Thus, the height risen by the hammer when the work were done is 10 m.

Learn more about work-energy theorem here: brainly.com/question/22236101

4 0

3 years ago