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
Anna007 [38]
2 years ago
13

Can someone please help?? I Already did number 1 and 2 . Please help!!

Physics
2 answers:
aleksandrvk [35]2 years ago
7 0
3a) w = mg = 60 x 10 = 600N
b) W = fd = 600 x 10 = 6000J
c) chemical to gravitational potential via the mechanical pathway

4a) W = fd = 200 x 0.5 = 100J
b) chemical to kinetic via mechanical pathway

5a) F = W/d = 40000/20 = 2000N
b) some is transferred into the thermal store, some is dissipated into the surrounding
faust18 [17]2 years ago
5 0

Answer:

3a) w = mg = 60 x 10 = 600N

b) W = fd = 600 x 10 = 6000J

c) chemical to gravitational potential via the mechanical pathway

4a) W = fd = 200 x 0.5 = 100J

b) chemical to kinetic via mechanical pathway

5a) F = W/d = 40000/20 = 2000N

b) some is transferred into the thermal store, some are dissipated into the surrounding

Explanation:

You might be interested in
The world record for a 100 m race is 10.44 m/s. How fast is this in mi/h?
ZanzabumX [31]

Answer: actually the fastest 100m is 9.58, because i run at a 9.86

Explanation: but 10.44 is like 15 mph, 9.58 is 28 mph

6 0
3 years ago
How much work is done lifting a 9.10-kg box straight up onto a shelf that is 1.80 m high
love history [14]

P= 10m = 10 x 9.10 = 91 N

Work is done lifting a 9.10-kg box straight up onto a shelf that is 1.80 m high :

A= Ph = 91 x 1.80 = 163.8 J

ok done. Thank to me :>

5 0
3 years ago
What feature of an object does not affect air resistance?
lakkis [162]
The amount of air resistance<span> an </span>object<span> experiences depends on its speed, its cross-sectional area, its shape and the density of the </span>air<span>. </span>Air<span> densities vary with altitude, temperature and humidity. Nonetheless, 1.29 kg/m</span>3<span> is a very reasonable value. The shape of an </span>object affects<span> the drag coefficient (C</span>d<span>)</span>
7 0
3 years ago
Cindy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minu
PIT_PIT [208]

Answer:

200 m / min

Explanation:

Total distance = 2000 m

Total time = 2+4+1+3 = 10 minutes

Average speed = 2000 m / 10 min = 200 m/min

7 0
2 years ago
Can someone pls help me with this? Its due in 25 minutes
olga_2 [115]

Answer:

Ty for the coins

Explanation:

3 0
3 years ago
Other questions:
  • According to the scientific observation that energy is conserved in a "closed system,” no machine can do work on its surrounding
    8·2 answers
  • A flat square plate of side 20cm moves over other similar plate with a thin layer of 0.4cm of a liquid between them with force 1
    15·1 answer
  • When large amplitude sound vibrates the ear significantly, a _______ results.
    8·2 answers
  • answers If visible light and radio waves are both examples of electromagnetic waves, why can’t we see radio waves?
    9·1 answer
  • If the mass of the Moon were suddenly to double, and the distance to the moon cut in half, how would the gravitational force bet
    14·2 answers
  • 1. A book is at rest on a tabletop. Diagram the forces acting on the book. ​
    6·1 answer
  • Joule is a SI unit of power <br>Measuring cylinder is used to measure the volume of a liquid<br>​
    9·1 answer
  • An object is 9.00 cm tall. The image is 5.76 cm tall, and 14 cm
    5·1 answer
  • an airplane is moving at a speed of 75 m/s. as it. lands on a. runwsys. if. the runway is. 500m long, what is the acceleration o
    11·1 answer
  • Jonah is applying to be the editor of the school newspaper. In his interview he's asked why he believes he's the best person for
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!