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
sukhopar [10]
3 years ago
14

A 60-kg skier starts at the top of a 10-meter high slope. At the bottom, she is traveling 10 m/s. How much energy does she lose

to friction?
Physics
1 answer:
Karo-lina-s [1.5K]3 years ago
4 0
The potential energy of the skier at the top is
60 kg (9.81 m/s2) (10 m) = 5886 J

Her kinetic energy at the bottom is
(1/2) (60 kg) (10 m/s)^2 = 3000 J

The energy lost to friction is
5886 J - 3000 J = 2886 J
You might be interested in
How many moles are in 36g of oxygen?
ololo11 [35]

Answer:

2 moles

Explanation:

2 moles becz

1 mole of oxygen = 16

.: 2 moles of oxygen = 36

:)

4 0
3 years ago
If the pendulum took longer to complete one oscillation, how would the graph change?
Sindrei [870]

Answer:

took longer to complete one oscillation, that means its PERIOD increased, and the distance between the peaks of the graph would be longer.

line would be less. the period of oscillation would have any effect on the graph

7 0
3 years ago
Read 2 more answers
An action potential arriving at the presynaptic terminal causes what to occur?
Ulleksa [173]

Answer:

Voltage-gated calcium ion channels open, and calcium ions diffuse into the cell

5 0
3 years ago
To warm 2.0 l of tea (d = 1.01 g/ml; sp. heat = a cook places a 500 g block of stone at a temperature of 200f into the teapot. a
IRISSAK [1]
Volume of tea V = 2.0L = 2000 mL density d = 1.01 g/ mL mass of tea m = V * d = 2000mL * 1.01g/mL = 2020 gWhen we assume that the tea was initially at 72, the final temperature of the tea in F is 91. 
The answer in this question is B. 91
4 0
3 years ago
A cat pushes a porcelain statue off a bookshelf with a speed of 0.5 m/s and it smashed on the floor 0.85 sec later.
Bad White [126]

Answer:

167?

Explanation:

i added both

5 0
3 years ago
Other questions:
  • How much work is done if I use 5N of force to move an object 2 meters
    9·2 answers
  • A 70 kg person running at 4 m/s what is the kinetic energy
    12·1 answer
  • The Milky Way measures _________ light years in diameter.
    15·1 answer
  • What type of data do scientists use to predict tornadoes?
    10·1 answer
  • How far can a person run in 15 seconds if she runs at an average speed of 160 cm/s? State your answer in meters.
    10·1 answer
  • Which best describes a nonmagnetic material?
    12·2 answers
  • A water tank has a square base of area 8 square meters. Initially the tank contains 70 cubic meters. Water leaves the tank, star
    14·1 answer
  • A graphical representation of the strength of an acid or base.
    8·1 answer
  • Define projectile in your own .​
    14·2 answers
  • If I start with an 30 gram sample of Plutonium-244, how many grams would be left of Plutonium-244 after 1 half life
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!