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
Sindrei [870]
3 years ago
12

3) A tolley of mass 4kg, moving with a velocity

Physics
1 answer:
Leokris [45]3 years ago
8 0

Answer:

3.57 m/s

Explanation:

The sum of the 2 momentums Is equal the finale momentums. so if momentums Is q, v Is velocity and m Is Mass, q3=m1*v1+m2**v2=16+9=25 m*kg/s

q3=m3*v3

v3=q3/m3=25/(4+3)=3.57m/s

You might be interested in
A 55 kg person falling with a velocity of 0.6
siniylev [52]

Answer:

What are we supposed to find, if it is kinetic energy then this is the solution.

K.E=1/2mv^2

K.E= kinetic energy

M=mass

V=velocity

K.E =0.5*55*0.6^2

K.E=9.9J

Explanation:

3 0
2 years ago
Electromagnetic induction means that moving a magnet through a loop of wire creates an electric current.
MAVERICK [17]
False. An Electromagnetic induction is the production of an electromotive force across an electrical conductor in a changing magnetic field.
4 0
3 years ago
Read 2 more answers
2. In the pendulum lab, the period (swing time) was O a. the independent variable O b.graphed on the vertical-axis O c.graphed o
Nadya [2.5K]
B is appropriate answer
7 0
3 years ago
2) A skier stands at rest and begins to ski downhill with an acceleration of 3.0 m/s² {downhill). What is
olga2289 [7]

Answer:

her displacement <em>s=337.5m</em>

Explanation:

check out the above attachment ☝️

7 0
2 years ago
Read 2 more answers
A horizontal line in a distance-time graph implies that,
Citrus2011 [14]
The object is at rest is the answer.
6 0
3 years ago
Other questions:
  • A cylinder with moment of inertia I about its center of mass, mass m, and radius r has a string wrapped around it which is tied
    5·1 answer
  • A lead ball is dropped into a lake from a diving board 6.10 mm above the water. After entering the water, it sinks to the bottom
    10·2 answers
  • What is the fleas acceleration as it extends its legs
    8·1 answer
  • The two strength factors that relate to all three competitive forces are
    13·1 answer
  • Which describes a reflected image in a plane mirror
    5·2 answers
  • What scenarios best describes how the hawaiian islands formed in the pacific ocean?
    5·1 answer
  • Hi:) what does the one highlighted in pink mean?
    14·1 answer
  • When the sun and moon pull at right angles to the earth wat kinda tide can yu expect
    12·1 answer
  • The shape of the orbit for most comets is a(n):<br><br> circle<br> parabola<br> ellipse<br> oval
    13·1 answer
  • Please help me anyone with physics ​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!