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
Iteru [2.4K]
3 years ago
7

A man is walking while riding a train. He says he is moving at 2 mph. A woman standing on a platform at a train station says the

man on the train is moving at 72 mph. Which person is correct?
Physics
1 answer:
-BARSIC- [3]3 years ago
5 0

The woman is correct because it is the pace he is moving not walking.

You might be interested in
A ball of gas becomes a ____ when nuclear fusion begins in its core.
Ira Lisetskai [31]
The answer to this is Protostar.

This is a process where it is gathering mass from its parent molecular cloud. Its a very young star meaning, the star was now born. 

Hope this helped :)
Have a great day
8 0
3 years ago
What is the difference between a neap and a spring tide in terms of size?
Mamont248 [21]
Spring tides occur when the moon is either new or full, and the sun, the moon, and the Earth are aligned. ... neap tide- A tide in which the difference between high and low tide is the least. Neap tides occur twice a month when the sun and moon are at right angles to the Earth.
7 0
3 years ago
Which of the following statements is correct?
Mumz [18]

Answer: c. Generally, metals are ductile.

Explanation:

From the options given in the question, the correct statement is that"Generally, metals are ductile.

Ductility of a metal simply means that a metal can be plastically deform before it is then fractured. It implies that metals can be drawn to thin wires. The only exception we have in this case is mercury.

7 0
3 years ago
Write in the word "stronger" or "weaker." The bigger and
SVETLANKA909090 [29]

Answer:

weaker has the heavier of an object

4 0
3 years ago
Two long straight wires are parallel and 8.6 cm apart. They are to carry equal currents such that the magnetic field at a point
Neko [114]

Answer:

(a) The current should be in opposite direction

(b) The current needed is 39.8 A

Explanation:

Part (a)

Based, on right hand rule, the current should be in opposite direction

Part (b)

given;

strength of magnetic field, B = 370 µT

distance between the two parallel wires, d = 8.6 cm

B = \frac{\mu_oI}{2\pi R}

At the center, the magnetic field strength is twice

B_c = 2(\frac{\mu_oI}{2\pi R}) =\frac{ \mu_oI}{\pi R}

R = d/2 = 8.6/2 = 4.3 cm = 0.043 m

B_c = \frac{ \mu_oI}{\pi R}\\\\I = \frac{B_c\pi R}{\mu_o} = \frac{370 *10^{-6}* \pi *0.043}{4\pi *10^{-7}}\\\\I = 39.8 \ A

Therefore, current needed is 39.8 A

6 0
3 years ago
Other questions:
  • If the strength of the magnetic field at A is 27 units and the strength of the magnetic field at B is 3 units, what is the dista
    11·1 answer
  • A example of a substance that has low pH is
    13·1 answer
  • In an atom, electrons ____.
    15·2 answers
  • If the surface air pressure is 1000 mb and the pressure at the top of the atmosphere (75 km) is 0 mb, at what altitude would I f
    11·1 answer
  • The weights of soy patties sold by a diner are normally distributed. A random sample of 15 patties yields a mean weight of 3.8 o
    11·1 answer
  • _____cells do not contain a nucleus
    6·1 answer
  • Suppose you have 50 grams of isotope with a half life of 2 years. How much is the isotope will you have after 4 years
    9·1 answer
  • A compound whose molecules contain one boron atom and three fluorine atoms would be named monoboron fluoride. Please select the
    7·1 answer
  • How can you increase efficiency of a simple machine??​
    7·1 answer
  • Which of acceleration, age, speed, temperature, and velocity are vector quantities?.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!