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3 years ago

12

Because of a higher moisture content, air is better conductor of charge in the summer than in the winter. Would you expect the s

hocks from static electricity to be more severe in summer or in winter

1 answer:

Makovka662 [10]3 years ago

8 0

Answer:

Explanation:

It will be more severe during Winter compared to summer because more charges can be accumulated before electric discharge takes place.

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A sinusoidal wave travels along a stretched string. A particle on the string has a maximum speed of 2.0 m/s and a maximum accele

JulsSmile [24]

Answer:

The amplitude of the wave is 0.02 m.

Explanation:

Given that,

Maximum speed = 2.0 m/s

Maximum acceleration = 200 m/s²

We need to calculate the angular frequency

Using formula of angular frequency

$\omega=\dfrac{a_{max}}{v_{max}}$

Put the value into the formula

$\omega=\dfrac{200}{2.0}$

$\omega=100\ rad/s$

We need to calculate the amplitude of the wave

Using formula of velocity

$v_{max}=A\omega$

$A=\dfrac{v_{max}}{\omega}$

Put the value into the formula

$A=\dfrac{2.0}{100}$

$A=0.02\ m$

Hence, The amplitude of the wave is 0.02 m.

8 0

4 years ago

In a double-slit interference experiment, which of the following actions (perhaps more than one) would cause the fringe spacing

frozen [14]

Answer:

The correct option is a , c

Explanation:

Generally the fringe spacing is mathematically defined as

$y = \frac{m \lambda D}{d}$

Where y is the fringe spacing

m is the order of the fringe

$\lambda$ is the wavelength

D is the distance between the slit and the screen

d is the distance between the slit

Now in order to increase the fringe spacing can do the following

Increase the wavelength
increase the distance from the slit to the screen
Decrease the distance between the slit

The following action would increase the fringe spacing because the from the question these parameters are directly proportional to the fringe spacing

3 0

3 years ago

How much kinetic energy does a 6kg cart have when moving at 4 m/s?

Arturiano [62]

Given:

mass = 6 kg

velocity = 4 m/s

To find:

Kinetic energy of the cart = ?

Formula used:

Kinetic energy = $\frac{1}{2} m v^{2}$

Where m = mass of the cart

v = velocity with which the cart is moving

Solution:

Kinetic energy of the moving cart is given by,

Kinetic energy = $\frac{1}{2} m v^{2}$

Where m = mass of the cart

v = velocity with which the cart is moving

Kinetic energy = $\frac{1}{2} \times 6 \times \ 4 \times 4$

Kinetic energy = 48 Joule

Thus, the kinetic energy of the moving cart is 48 Joule.

3 0

4 years ago

How does light travel across the universe to earth?

Naya [18.7K]

Light travels at the speed of 186,000 miles per second. If you were to travel around the earth it would be 7.5 times in a second

5 0

3 years ago

A car and a heavy truck roll down a hill and reach the bottom at the same speed. Compared with the momentum of the truck, the mo

RoseWind [281]

Answer:

A. less

Explanation:

The momentum of an object is directly proportional to it mass and velocity. It is the product of mass and velocity of the object. Given as

$Momentum (p) = Mass (m) \times Velocity (v)$

So the momentum of car,

$p_{c} = m_{c}\times v_{c}$

Momentum of truck,

$p_{t} = m_{t}\times v_{t}$

We know that, mass of car is less than that of truck and velocity of the two are same. It is implied that, momentum of car will be less than that of truck.

3 0

4 years ago