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2 years ago

What condition did the new jersey representatives include in the resolution for a nuclear freeze?

Physics

1 answer:

vovangra [49]2 years ago

6 0

The condition new jersey representatives include in the resolution for a nuclear freeze is verifiable.

The nuclear freeze was a campaign for mass resolution in the United States during the late 1980's to secure an argument between the U.S and Soviet arguments to halt the testing, production, and deployment of nuclear weapons.

Halting an atomic weapon is theoretically possible, but in reality, it is an enormous challenge. The Russian invasion of Ukraine has raised the fear of of nuclear weapons to a level not seen since the Cold War.

Thus, the main challenge is now rising that how can one protect themselves from nuclear radiation after a war.

To learn more about Nuclear Freeze, here

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Crying is a .........of distress to babies.

Fiesta28 [93]

Crying is a signal of distress to babies.

Some reasons why babies cry: The baby is not feeling well, strange feeling that needs nappy change, a feeling of hot or cold, a feeling of tired and needs rest, a feeling of cuddling, feel like crying, and a feeling of hungry.

4 0

4 years ago

Read 2 more answers

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. How long will the bal

makvit [3.9K]

First you have to find the vertical initial velocity which can be found by using the SOH CAH TOA rule:

Sin(25) x 13.9 = 5.87 m/s (3 S.F)

After you have the initial velocity you have to use a formula to work out the time take for the ball to travel in the air. This can be found by using the formula below:

Time = (Velocity final - Velocity initial) / Acceleration (Deceleration in this case since gravity is affecting the ball)

T = (Vf - Vi) / a

Then you plug the numbers in and you get

T = (0 - 5.87) / -9.81 (Negative since gravity is working against the ball)

= -5.87 / -9.81

= 0.60 Seconds (2 DP)

This is however not the final answer as this only works out how long it takes for the ball to stop moving. Right now we have worked out that it takes 0.60 seconds for the ball to reach the max height. For us to find out how long it takes for it to reach max height and then come back down we simply need to times the answer by 2

Time taken for ball to reach max height and fall to the ground = 0.60 x 2 = 1.20 seconds

Now that we have the time taken for the ball to fly up and come back down we can now work out the horizontal distance travelled by the ball

First we have to work out the horizontal initial velocity and this can be done by using the SOH CAH TOA rule again: (You could use a^2 + b^2 = c^2)

Cos(25) x 13.9 = 12.6 m/s (3 S.F)

Now that we have the initial horizontal velocity as well as the time taken to reach max height and come down, working out the horizontal distance should be easy. This can be done by using the formula below:

Distance = Velocity x Time

D = V x T

Now we just have to plug the numbers in

D = 12.6 x 1.2

D = 15.2 Metres

Whenever you make these calculations you always have to remember to say assuming there are no external factors acting at the end. This is because other factors such as wind and air friction would cause the results to be completely different. Hopefully this helps :)) and hopefully I wasn't wrong either.

7 0

3 years ago

Read 2 more answers

The Magnetic Dipole Moment of a Coil Problem A rectangular coil of dimensions 5.40 cm ✕ 8.50 cm consists of 25 turns of wire and

butalik [34]

Answer:

$\mu = 0.0023 \ A\cdot m^2$

$\tau = 0.00080 \ N \cdot m$

Explanation:

From the question we are told that

The dimensions of the rectangular coil is 5.40 cm ✕ 8.50 cm = 0.054 m X 0.085 m

The number of turns is $N = 25 \ turns$

The current it is carrying is $I = 20 \ mA = 0.02 \ A$

The magnetic field is $B = 0.350 \ T$

Generally the magnitude of the magnetic dipole moment is mathematically represented as

$\mu = N * I * A$

Here A is the area which is mathematically represented as

$A = 0.054 * 0.085$

=> $A = 0.00459 \ m^2$

$\mu = 25 * 0.02 * 0.00459$

=> $\mu = 0.0023 \ A\cdot m^2$

Generally the magnitude of the torque acting on the loop is mathematically represented as

$\tau = \mu * B$

=> $\tau = 0.0023 * 0.350$

=> $\tau = 0.00080 \ N \cdot m$

8 0

3 years ago

A civil engineer plans to design a curved ramp such that a car may not have to rely on friction to round the curve without skidd

Delicious77 [7]

Answer: $\theta =\tan ^{-1}(\frac{v^2}{gR})$

Explanation:

let \theta be the inclination at which curve is tilted

v is the speed of car and R is the radius of curve

m is the mass of car

Suppose R is the reaction offered by road to car

Resolving R in x and y direction we get

$R\cos \theta$ will balance weight and $R\sin \theta$ will provide the necessary centripetal Force

thus $R\sin \theta =\frac{mv^2}{R}$ ------------1

$R\cos \theta =m g$ ----------------2

Divide 1 & 2 we get

$\frac{R\sin \theta }{R\cos \theta }=\frac{mv^2}{mgR}$

$\tan \theta =\frac{v^2}{gR}$

$\theta =\tan ^{-1}(\frac{v^2}{gR})$

8 0

3 years ago

What is kinetic friction ? what causes it ? what does it generate ?

diamong [38]

Answer:

What is kinetic friction?

Kinetic friction is defined as a force that acts between moving surfaces. A body moving on the surface experiences a force in the opposite direction of its movement.

What causes it?

When the mass is not moving, the object experiences static friction. The friction increases as the applied force increases until the block moves. After the block moves, it experiences kinetic friction, which is less than the maximum static friction.

What does it generate?

When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into thermal energy (that is, it converts work to heat). This property can have dramatic consequences, as illustrated by the use of friction created by rubbing pieces of wood together to start a fire.

3 0

3 years ago