1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
earnstyle [38]
3 years ago
14

Please explain how to solve it!!!

Physics
1 answer:
Alexxandr [17]3 years ago
6 0
All you need to do is to convert the velocity to meters per hour. Then multiply by 0.4 hours. I guess the answer was rounded up.
You might be interested in
Which of the following units would need to be converted before being used for a calculation?
Evgen [1.6K]

Explanation:

To do this, one uses a conversion factor. In mathematics, specifically algebra, a conversion factor is used to convert a measured quantity to a different unit of measure without changing the relative amount. To accomplish this, a ratio ( fraction ) is established that equals one (1).

7 0
3 years ago
A double-slit diffraction pattern is formed on a distant screen. If the separation between the slits decreases, what happens to
LenKa [72]

Answer:

The distance between interference fringes increases.

Explanation:

In a double-slit diffraction pattern, the angular position of the nth-maximum in the diffraction patter (measured with respect to the central maximum) is given by

sin \theta = \frac{n \lambda}{d}

where

\theta is the angular position

\lambda is the wavelength

d is the separation between the slits

In this problem, the separation between the slits decreases: this means that d in the formula decreases. As we see, the value of sin \theta (and so, also \theta) is inversely proportional to d: so, if the d decreases, then the angular separation between the fringes increases.

So, the correct answer is

The distance between interference fringes increases.

7 0
4 years ago
Why didn’t early Portuguese and Dutch explorers decide to create settlements in Australia
aleksandrvk [35]
I think it is because most of the settlements in Australia are under the Spanish rule. Aside from that, Australia was part of the Spanish territory because of the papal bull mandated by Pope Alexander VI. The papal bull divided the world between Spain and Portugal. Spain has full control of the west while Portugal owns the east side of the world

Portuguese explorers were forced to study Australia in secret. 
3 0
3 years ago
Can gravity be considered a force? Why or Why not?
vivado [14]
Yes, because gravity will pull objects down to Earth.
3 0
3 years ago
Read 2 more answers
Which of the following statements about inductors are correct? A. When an inductor and a resistor are connected in series with
vladimir2022 [97]

Answer: A,C,D,E are correct statements of an inductor

A. When an inductor and a resistor are connected in series with a DC battery, the current in the circuit is reduced to zero in one time constant.

C. An inductor always resists any change in the current through it.

D. When it is connected in a circuit, an inductor always resists having current flow through it.

E. Inductors store energy by building up charge.

7 0
3 years ago
Other questions:
  • What is the function of an electromagnet in an electric doorbell?
    11·1 answer
  • Consider the two-body system at the right. A 22.7-N block is placed upon an inclined plane which is inclined at a 17.2 degree an
    10·1 answer
  • The approximate rotation period of the Moon is: A. 1 day B. 1 week C. I month D. Infinite, since the Moon does not rotate, but k
    6·1 answer
  • Help please
    14·1 answer
  • A 50Kg girl jumps off a 5-meter-high diving board. What is her kinetic energy right before she hits the water?
    8·1 answer
  • Distance and direction of an object's change in position from a starting point are:
    6·2 answers
  • Given the mathematical representation of Coulomb’s Law, , where , describe in words the relationship among electric force, charg
    8·1 answer
  • An egg is Free Falling Down from a nest in a tree (neglect air resistance)​
    11·1 answer
  • И
    10·1 answer
  • A uniform bar has a mass of 2.2 kg and the angle shown is 30 degrees. Calculate the net torque about the point P for the bar. Do
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!