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
a_sh-v [17]
3 years ago
11

Blake and Sandra are having a rummage sale. Blake drags 3 boxes a distance of 10 meters each. He exerts a force of 20 newtons on

each box. Sandra drags 4 boxes a distance of 12 meters each. She exerts a force of 15 newtons on each box. Blake takes 2 minutes to complete his work. Sandra takes 4 minutes.
Blake does ____ work than Sandra. Blake’s power ____ is than Sandra’s power.

(Hint: Use W = Fd and P = w/t.)
Physics
2 answers:
vampirchik [111]3 years ago
5 0
For Blake:

3 boxes at a distance of 10 meters each, each box weighs 20 N

Work done by Blake = 3 * 10m * 20N
                                 = 600 J
Power = 600 J/ 2 min
           = 300 J/min

For Sandra:

4 boxes, 15 N each at a distance of 12 meters each. 

Work done by Sandra = 4 * 15 N *12m
                                    =  720 J
Power = 720 J/ 4 min
           = 180 J/min

Blake does less work than Sandra. 
Blake's power is more than Sandra's.
stiv31 [10]3 years ago
3 0

Answer:

Blake does  less  work than Sandra. Blake’s power is  

more  than Sandra’s power.

You might be interested in
A superconducting solenoid has 3300 turns per meter and can carry a maximum current of 4.1 ka. find the magnetic field strength
avanturin [10]
Hope this helps you.

7 0
3 years ago
Read 2 more answers
Where is earth's magnetic north pole located?
andre [41]

Answer: it is located over Ellesmere Island, Canada

Explanation

it is now drifting away from North America and toward Siberia.

4 0
3 years ago
Read 2 more answers
I need help with these four problems.. anyone??
babunello [35]
1) 14g
2) 24 fl oz
3)10 cups
4)12 and 1/2 cups
8 0
3 years ago
A body builder exerts 15 N of force over 3 m. How much work did she do?
tangare [24]
Work done = force x distance

work done = 15 x 3

work done = 45J
4 0
2 years ago
Read 2 more answers
Which of the following places would u expect to have the warmest climate ?
adelina 88 [10]
B. Location#2 with an altitude of 200 feet
7 0
3 years ago
Other questions:
  • The Burj Khalifa in Dubai is the world's tallest building. The structure is 828 m (2,716.5 feet) and has more than 160 stories.
    15·1 answer
  • a) Calculate the magnitude of displacement of the car in 40 seconds. b) During which part of the journey was the car acceleratin
    6·1 answer
  • Starting from rest, a 5.00 kg steel sphere rolls down a frictionless ramp with a height of 4.00 m. What is the sphere's speed wh
    15·1 answer
  • In certain cases, using both the momentum principle and energy principle to analyze a system is useful, as they each can reveal
    5·1 answer
  • Metric system please help me I don’t know how to do this
    5·1 answer
  • Why are force fields necessary to describe gravity?
    9·2 answers
  • Hey what is magnetic field<br><br><br><br><br><br><br>​
    9·1 answer
  • HELP When the forces are applied in the same direction, how do you determine net force?
    8·1 answer
  • What type of energy does the horse have because of its motion?
    11·1 answer
  • Two celestial objects are in space: one with a mass of 8.22 x 109 kg and one with a mass of 1.38 x 108 kg. If they are separated
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!