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
zalisa [80]
3 years ago
9

A 4113 N piano is to be pushed up a(n) 3.99 mfrictionless plank that makes an angle of 25.5â—¦with the horizontal.Calculate the

work done in sliding the piano
Physics
1 answer:
Serhud [2]3 years ago
3 0

Answer:

W = 14.8 kJ

Explanation:

W = F S cos ∅

W = 4113 x 3.99 x cos 25.5

W = 16410.87 x 0.9025 = 14810.8 J or 14.8 kJ

You might be interested in
What happens to an object's mass as the object's acceleration increases but the force stays the same
Iteru [2.4K]

Answer:

the mass stays the same

Explanation:

the more mass the faster

6 0
3 years ago
Read 2 more answers
Which of the following is the type of rock
viva [34]

Answer:

d. intrusion

Explanation:

An intrusion is molten rock from the Earth's interior that squeezes into existing rock and cools. Folding Folding occurs when rock layers bend and buckle from Earth's internal forces.

6 0
3 years ago
The Falcon 9 rocket has a mass of 549,000 kg and in 70 seconds into the launch, the rocket reaches a speed of 343.2 m/s. What is
yaroslaw [1]

Explanation:

=5.49*10^5*343.2

=1.8846*10^8

8 0
3 years ago
You drop a rock off the top of a 100 m tall building. How long does it take to hit the ground?
Vitek1552 [10]
It would mostly depend on its weight
4 0
3 years ago
A scientist is trying to predict the regions of the world most likely to see a decrease in natural resources from population cha
aleksley [76]

<u><em>Developed countries will see a decrease in natural resources, because their population will decrease.</em></u>

8 0
3 years ago
Read 2 more answers
Other questions:
  • Which two factors does the power of a machine depend on
    8·2 answers
  • A monatomic ideal gas in equilibrium at a pressure of 3 kPa and a temperature of 300 K is initially confined in a volume of 1.3
    13·1 answer
  • If the world population grows at a constant rate of 1.8% per annum, how many years will it take to double? A) 17.7 years
    13·1 answer
  • The method of heat transfer by which the sun warms the earth is
    7·2 answers
  • A 5-kg object slides down a frictionless surface inclined at an angle of 30º from the horizontal. The total distance moved by th
    6·1 answer
  • Scientific notation for 7890
    14·1 answer
  • A hypothetical atom has three energy levels: the ground-state level and levels 1.50 eV and 5.00 eV above the ground state. What
    5·1 answer
  • ASAP pls answer right and I will mark brainiest
    12·1 answer
  • An electronic voltage is a varying electric current that represents information. True or False​
    15·1 answer
  • A basketball is tossed upwards with a speed of 5.0\,\dfrac{\text m}{\text s}5.0
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!