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
fiasKO [112]
1 year ago
12

How long does 100m long train take a cross a bridge of length 4.9 km at a speed of 50m/s

Physics
1 answer:
elena55 [62]1 year ago
4 0

Answer:

it would take 100s for the train to crossthe bridge

You might be interested in
What is the velocity of a car that travels -50 meters in 5 seconds then 10 meters in 5 seconds
diamong [38]

Answer:

2 m/s

Explanation:

The first part of the question the car is going in reverse or negative along the x axis. Then the second part the car is moving forward along the x axis. So the car would only have velocity in the current direction of movement. So our equation for velocity is as follows.

v = d/t

v = 10 m/5 s

v = 2 m/s

3 0
2 years ago
If you and a friend are standing at opposites ends of a gymnasium and one of you claps, will the other hear the clap at the same
34kurt

Answer:

No. Your friend will not hear the clap when he/she sees it.

Explanation:

It takes time for sound waves to go through a large area. It takes longer if people are in the area rather than it is empty.

3 0
3 years ago
Which is NOT true of the Big Bang Theory?
grigory [225]

Answer:

1. it explains what's happening im the universe now

3 0
2 years ago
Intermolecular forces hold
blagie [28]
I believe Intermolecular forces hold, <span>molecules, ions, and atoms? But I would see if that doesn't sound familiar check it with a site or something?</span>
3 0
2 years ago
How much does the speed of a car increase if it accelerates
Nata [24]

Answer:

12.5 m/s

Explanation:

a = Δv / Δt

2.5 m/s² = Δv / 5 s

Δv = 12.5 m/s

4 0
3 years ago
Other questions:
  • Rachel has been reading her physics book. She takes her weighing scales into an elevator and stands on them. If her normal weigh
    5·1 answer
  • An ideal solenoid of length L, N windings, and radius b (L is much longer than b). A current I is flowing through the wire windi
    5·1 answer
  • What is a phone message?
    15·2 answers
  • Which type of wave would actually slow down when moving from the air into the ocean?
    12·2 answers
  • Foce that arises due to attraction or repulsion of electronic charges is called​
    14·1 answer
  • After all that you have learned in this unit, construct a pamphlet (brochure) in Microsoft Publisher helping new freshman to enc
    13·1 answer
  • Question 2 The gravitational force between two objects with identical masses that are 10 m apart, is 2.67 x10-10 N. To the neare
    6·1 answer
  • Describe the movement of the man when the resultant horizontal force is ON
    12·1 answer
  • What quantity does a Percent measure?
    7·2 answers
  • Two identical cars, each traveling at the same velocity, and having the same mass come to a stop
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!