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
sp2606 [1]
3 years ago
9

What is the gravitational force between two students, John and Mike, if John

Physics
2 answers:
nataly862011 [7]3 years ago
5 0
I have no clue hehe
Luba_88 [7]3 years ago
5 0

Answer:

75kg

Explanation:

:)

You might be interested in
Where is the sun located in the galaxy?
GarryVolchara [31]
I think it's 3. within an outer arm
6 0
3 years ago
Read 2 more answers
1. Calculate the height of tree, 250 m away that produces
gtnhenbr [62]

Answer:

Explanation:

1.5/30 = x/250

x = 12.5 m

5 0
3 years ago
Do you have to use significant figures in converting temperatures
schepotkina [342]
Not only in converting temperatures I think, we always use significant figures every time we want to make some experimental report using the exact data from our experiment. If that isn't experimental report ( some exercise/questions from your textbook) it's not necessary
4 0
4 years ago
What is one common characteristic of all waves?
Keith_Richards [23]

there are a reading of something like s-waves and p-waves they tell if an earthquakes coming.
7 0
3 years ago
Find the speed at which Superman (mass=78.0 kg) must fly into a train (mass = 17863 kg) traveling at 75.0 km/hr to stop it. Runn
lapo4ka [179]

Answer with Explanation:

We are given that

Mass of superman=m=78 kg

Mass of train=m'=17863 kg

Speed of train=u'=75 km/h=75\times \frac{5}{18}=20.8 m/s

1 km/h=\frac{5}{18} m/s

Let initial speed of superman=u

Momentum=mv

Using the formula

78u=17863\times 75

u=\frac{17863\times 75}{78}

u=17175.9 km/h

Average horizontal force=0.58

Deceleration a=-0.58\times 9.8=-5.68 m/s^2

Final speed of train=v'=0

v=u+at

Using the formula

0=20.8-5.68t

5.68t=20.8

t=\frac{v'-u'}{a}=\frac{0-20.8}{-5.68}

t=3.66 s

v^2-u^2=2as

Using the formula

0-(20.8)^2=2(-5.68)a

(20.8)^2=2(5.68)s

s={\frac{(20.8)^2}{2(5.68)}=38.1 m

6 0
3 years ago
Read 2 more answers
Other questions:
  • Do my graphs represent constant speed or average speed
    9·1 answer
  • PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
    5·2 answers
  • Personality theorists often focus on _____________.
    8·1 answer
  • Three clowns move a 345 kg crate 12.5 m to the right across a smooth floor. Take the positive horizontal and vertical directions
    6·1 answer
  • After an earthquake, which type of seismic wave arrives last at a seismometer?
    6·1 answer
  • You have a ruler that is marked to the nearest half centimeter. Which of these measurements is written with the correct amount o
    12·1 answer
  • What is the relashinship between the mass and size of a planet?
    6·1 answer
  • An aluminum cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. A 410 g sample of silver at an initial temperatu
    11·1 answer
  • Please help wil give brainiest & 40p.
    7·1 answer
  • I need help with this assignment please
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!