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
Advocard [28]
3 years ago
12

Q 1. How does friction affect the mechanical energy of a system? Q 2. A roller coaster is at the stop of a hill and rolls to the

top of a lower hill. If mechanical energy is constant, then on the top of which hill is the kinetic energy from the roller coaster motion greater?
Physics
1 answer:
Vaselesa [24]3 years ago
8 0

Answer:

  1. Friction lowers (decreases) the kinetic energy which in turn decreases the mechanical energy of a system.
  2. At the top of the second hill.

Explanation:

You might be interested in
What is time write its SI unit​
lisabon 2012 [21]
The SI unit of time is second
4 0
3 years ago
What are igneous intrusions and extrusions
spayn [35]

Igneous intrusions form when magma cools and solidifies before it can reach the surface. An extrusion consists of extrusive rock; which forms above the surface of the crust.

3 0
3 years ago
How many Americans get sick from consuming contaminated food/water each year
Gnoma [55]

Answer:

48 million people get sick, 128,000 are hospitalized, and 3,000 die

Explanation:

3 0
3 years ago
Read 2 more answers
Which of these is the best example of translational motion?
Tanya [424]
B, air blowing from across the field is as a bullet fired from a rifle
6 0
3 years ago
Read 2 more answers
Mass is the weight of an object
o-na [289]

Answer:

Mass is the amount of matter in a object.

Explanation:

3 0
3 years ago
Other questions:
  • In order to prevent injury in a car crash, it is recommended that you _______. Increase the initial velocity of the collision.
    15·1 answer
  • A dog sits 1.5 m from the center of a merry-go-round. The merry-go-round is set in motion, and the dog's tangential speed is 1.5
    14·1 answer
  • To make electricity using magnets you need a magnet, wire and a what?
    8·2 answers
  • The lung capacity of the average adult is 5.5 liters at the surface and only .37 liters at a depth of 100 meters. The formula to
    15·1 answer
  • To demonstrate the tremendous acceleration of a top fuel dragracer, you attempt to run your car into the back of a dragster that
    15·1 answer
  • An object moving with a speed of 21 m/s and has a kinetic energy of 140 J, what is the mass of the object.
    11·2 answers
  • What is the amount of disorder in a system
    13·1 answer
  • An image formed on a screen is always​
    7·1 answer
  • Which of the following objects exerts a gravitational force?
    7·2 answers
  • What are sugar and water in a homogenous mixture of sugar and water?.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!