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
Lostsunrise [7]
3 years ago
13

What is the Kinetic Energy of a tennis ball after 40.0cm of freefall?

Physics
1 answer:
OlgaM077 [116]3 years ago
3 0
The kinetic energy is the same as the potential energy of raising it 40cm (0.4m). That's mgh where m is mass of ball. Its then 3.924*m, whatever m is equal to in kg.
You might be interested in
URGENT!!! NEED ANSWER ASAP Students are completing a table about a particular subatomic particle that helps make up an atom. The
Contact [7]
Hmm, I will come back to this one just to help. :)
3 0
2 years ago
Read 3 more answers
Consider this situation: A rope is used to lift an actor upward off the stage. Of the forces listed, identify which act upon the
Katarina [22]

ytyjjryjtjtyjtyjtyyjetyeyjetyyjeytjtyjetyjtjetyjetyeyjetyj

6 0
3 years ago
Read 2 more answers
A mass m is attached to a string connected to a force sensor on a rotating platform. The platform’s angular velocity, ω, can be
makkiz [27]

Answer:

The mass m is 0.332 kg or 332 gm

Explanation:

Given

The platform is rotating with angular speed , \omega =8.5\, \frac{rad}{sec}

Mass m is moving on platform in a circle with radius , r=0.20\, m

Force sensor reading to which spring is attached , F=4.8\, N

Now for the mass m to move in circle the required centripetal force is given by F=m\omega ^{2}r

=>4.8=m\times 8.5 ^{2}\times 0.20

=>m=0.332\, kg

Thus the mass m is 0.332 kg or 332 gm

7 0
3 years ago
To increase the current in a circuit, which can be increased?
wariber [46]

Answer:

A. Voltage

Explanation:

I got a 100% on the quiz on edg so trust me

4 0
2 years ago
The wasted energy in a charger is:
kirza4 [7]
Thermal is the wasted energy in a charger
4 0
3 years ago
Other questions:
  • (7%) Problem 5: A thermos contains m1 = 0.73 kg of tea at T1 = 31° C. Ice (m2 = 0.095 kg, T2 = 0° C) is added to it. The heat ca
    12·1 answer
  • Why are the action and reaction forces described by Newton’s third law of motion excluded in the free-body diagram of an object?
    5·2 answers
  • 4. A metal of mass 1.55kg was heated from 300K to 320K in 6 minutes by a boiling ring of 85 W rating, calculate the specific hea
    13·1 answer
  • HELP WILL MARK BRAINLIEST
    14·1 answer
  • How is the average American diet affected by our current food system?"
    6·1 answer
  • What type of wave shows wave-particle duality? Mechanical or Electromagnetic?
    11·2 answers
  • A plank of length L and mass M hangs from an axle passing through one end. The other end is allowed to hang down so that it just
    5·1 answer
  • How are mass, distance and gpe related
    9·1 answer
  • Question 81 point)
    9·1 answer
  • Find the mass of a child who runs at a speed of 4 m/s to get a pizza with extra cheese. His momentum is 120 kg•m/s.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!