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
umka2103 [35]
3 years ago
10

A hammer falls off the top roof and strikes the ground with a certain kinetic energy. If it fell from a roof twice as tall how w

ould the kinetic energy compare?
Physics
2 answers:
Akimi4 [234]3 years ago
8 0

The kinetic energy with which the hammer strikes the ground
is exactly the potential energy it had at the height from which it fell. 

Potential energy is (mass) x (gravity) x (height) .... directly proportional
to height.

Starting from double the height, it starts with double the potential
energy, and it reaches the bottom with double the kinetic energy.

SOVA2 [1]3 years ago
3 0
No it would not compare because if you dropped off a higher building the kinetic energy would be higher than it was before.
You might be interested in
What must gymnasts begin to train at a very early age
Vladimir [108]
How to stretch your muscles so you don't tear one
3 0
3 years ago
Which two of the senses are considered chemical senses
VikaD [51]
The chemical senses are the senses of smell (olfaction) and taste (gustation).
4 0
3 years ago
Find τf, the torque about point p due to the force applied by the achilles' tendon.
Luba_88 [7]
The formula for the torque is
<span>τf = p F
where
</span><span>τf is the torque
p is the distance where the force is applied by the tendon
F is force applied by the tendon

If there are given values, substitute in the equation and solve for the torque.</span>
3 0
3 years ago
16)
VMariaS [17]

Answer:

a.proton, proton

hope this helped :) have a goodday

6 0
3 years ago
I got the correct answer, but I don't know what I did. Why is the answer E?
MariettaO [177]

Explanation:

Displacement is the straight line distance from the starting position to the final position.

Person X walks halfway around circle.  So her displacement is 100 m.

Person Y walks 3/4 of the way around.  So his displacement is 50√2 m ≈ 70.7 m.

Person Z walks completely around the circle, so their displacement is 0 m.

Therefore:

Z < Y < X

6 0
2 years ago
Other questions:
  • Please hurry need ASAP!!! When a pendulum swings, at which point is kinetic energy highest?
    9·1 answer
  • A car accelerates from 21.0 m/s to 46.0 m/s in 2.5 seconds. What is the acceleration of the car.
    12·1 answer
  • Which of the following is a vector quantity?
    14·2 answers
  • At room temperature what is the strength of the electric field in a 12-gauge copper wire (diameter 2.05 mm that is needed to cau
    12·1 answer
  • PLZZ HELP ASAP WILL MARK BRAINLIEST
    10·2 answers
  • An elevator with a mass of 2,560 kg is pulled straight up by a cable such that it accelerates at 4.5 m/s 2 in the upward directi
    12·1 answer
  • If an object is placed 10cm in front of a converging lens that has a focal length of 15cm. What are the properties of the image?
    6·1 answer
  • Which type of simple machine is in the photo?
    6·1 answer
  • Which of the following is evidence that electromagnetic radiation can be described by the wave model?(1 point)
    10·1 answer
  • A solid weighs 0.9N in air and 0.2N in a liquid of density 700kg/m^3. Calculate
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!