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
Delvig [45]
3 years ago
8

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?

Physics
2 answers:
laiz [17]3 years ago
5 0
Kinetic Energy = 1/2 Mass (kg) * velocity squared (m/s)

KE = 1/2mV^2

KE = 1/2(0.15 kg)(40 m/s)^2

The answer is 120 joules.
bonufazy [111]3 years ago
4 0

0.5mv^2 > 0.5*0.15*40*40=120J

You might be interested in
A car changes its speed by 2 meters per second each second. What is its acceleration?
KatRina [158]

Answer:

2 m/s²

Explanation:

If changes speed by 2 meters per second each second means:

2 m/s²

Because it changes constantly it veloctity.

Remember the aceleration changes the velocity.

4 0
3 years ago
Read 2 more answers
Which form of energy does flowing water possess
Leni [432]

Answer:

hydro energy?

Explanation:

4 0
2 years ago
Read 2 more answers
An electric fan is set on its HIGH setting. After the Low push button is depressed, the angular speed of the fan blades decrease
brilliants [131]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

<span>a=Δω/Δt
</span><span>a=2π*Δf/Δt
</span><span>a=2π*(f2-f1)/Δt
</span>
<span>f1=f2-a*Δt/2π
</span><span>f2=800/60 rev/sec
</span><span>a=-42 rad/sec^2
</span><span>Δt=1.75sec
</span><span>so f1=25 rev/sec
 f1=1500 rev/min</span>
8 0
3 years ago
Can someone please help meee!!
Paraphin [41]

The answer is 9800 J/S

5 0
2 years ago
Add these measurements, using significant figure rules 1.0090cm + 0.02cm
Harlamova29_29 [7]

Answer:

1.03

Explanation:

0.02 has two significant decimal figures, so start by shortening 1.0090 to 2 decimal places (3 significant figures). Round up the decimal to become 1.1 and add .02 to get 1.3.

5 0
2 years ago
Other questions:
  • Cars A and B have the same mass, but Car A's speed is 15 mph, whereas Car B is moving at 60 mph. The kinetic energy
    12·1 answer
  • A flowerpot falls off a windowsill and falls past the window below. You may ignore air resistance. It takes the pot 0.380 ss to
    7·1 answer
  • A 700 g can of beans is dropped from a shelf that is 1.5 m high. What is the gravitational potential energy of this can? Round y
    14·2 answers
  • A pendulum consisting of a 0.5 kg mass tied to a 0.3 m string is set into oscillation at the same moment that a stone is dropped
    11·1 answer
  • An object which has a mass 70 kg is sitting on a cliff 10 m high . Calculate the objects gravitational potential energy given G=
    11·2 answers
  • Where are you MOST likely to find platinum? Check all that apply.
    10·1 answer
  • What piece of equipment would a hospital most likely have as back up in case of a power failure?
    7·2 answers
  • Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the
    14·1 answer
  • A 0.25 kg ball is suspended from a light 0.65 m string as shown. The string makes an angle of 31° with the vertical. Let U = 0 w
    12·2 answers
  • There are many uses for permanent magnets and temporary magnets like an electromagnet. Electric appliances with electric motors
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!