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
juin [17]
3 years ago
7

A 0.145 kg baseball is thrown horizontally at 15 m/s from a platform, so that it starts at 5.2 m above the ground. How much has

its kinetic energy increased when it reaches the ground? 16 J , 24 J , 0 J , or 7.4 J ? :/
Physics
1 answer:
fomenos3 years ago
6 0
7.4J
final kinetic energy
= initial potential energy
= mass x gravitational force x height
= 0.145 x 9.81 x 5.2
= 7.39674 J
You might be interested in
Can someone tell me the description of the motion of particles of plasma? Please
NNADVOKAT [17]
A plasma is a very good conductor of electricity and is affected by magnetic fields.
Plasma, like gases have an indefinite shape and an indefinite volume.
5 0
3 years ago
A fish cannot be killed by throwing an arrow into the water why?​
olga55 [171]

Answer:

a fish cannot be killed by throwing an arrow into the water because you have to throw the arrow at the fish not just in the water….

Explanation:

common sense TwT


duhhh

3 0
2 years ago
Read 2 more answers
What happens to the mass of a metal ball if its heated?
erik [133]
<span>Mass doesn't change when the temperature of the ball changes.
(Unless, of course, it gets so hot that it melts, and part of it falls off
and rolls under the table.)</span>
5 0
3 years ago
Read 2 more answers
Which statement tells a result of the big bang?
Nonamiya [84]

Answer:

Explanation:

Galaxies are moving closer

5 0
3 years ago
Read 2 more answers
What is most important when selecting the right pfd for a passenger on board your boat?
Karolina [17]
The most essential while choosing the privilege PFD for a traveler is the information required for choosing right PFD for the traveler's body weight and trunk size.Note that the offspring of what age under 8 years old are required to wear legitimately secured PFD while on vessel unless in securely closed cabin. 
3 0
3 years ago
Read 2 more answers
Other questions:
  • Would someone plz help a shister outttt
    12·1 answer
  • You connect a 250-2 resistor, a 1.20-mH inductor, and a 1.80-uF capacitor in series across a 60.0-Hz, 120-V (peak) source. The a
    5·1 answer
  • The position function of an object moving along a straight line is given bys = f(t). The average velocity of the object over the
    8·1 answer
  • What causes a short circuit ?
    6·1 answer
  • A magnetic field of 14 x 10^-3 T exists at the corner of a circular coil of radius 20cm having 15
    8·1 answer
  • Calculate the force of gravity on a 5 kg mass at Earth's surface. The mass of the Earth is 6 x 1024 kg and its radius is
    14·1 answer
  • Comon help me out here
    14·1 answer
  • A population _____ follows a period of
    8·2 answers
  • What arrangements would you make when the baby first comes home?
    6·1 answer
  • A particle of mass 16kg travelling with a velocity of 10m/s is acted upon by a steady force of friction in a direction opposite
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!