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
alukav5142 [94]
3 years ago
11

Last night, Shirley worked on her accounting homework for one and one half hours. During that time, she completed 6 problems. Wh

at is the velocity in problems per hour?
a. 6 per hour
b. 4 per hour
c. 10 per hour
d. 0.67 per hour
e. 15 per hour
Physics
2 answers:
ioda3 years ago
4 0

Answer:

option (b) is correct

Explanation:

time t = 1 and half hour = 1.5 hour

Number of problems, n = 6

So, the velocity in problems

v = n / t

v = 6 / 1.5

v = 4

So, the rate is 4 problems per hour.

hodyreva [135]3 years ago
3 0

Answer:

velocity in problems per hour = 4 per hour

so correct option is b. 4 per hour

Explanation:

given data

worked on  homework time = 1.5 hour

completed = 6 problems

to find out

What is the velocity in problems per hour

solution

we know that Shirley solve complete 6 accounting homework problem in 1.5 hour so her velocity  in problems per hour will be as

velocity in problems per hour =  \frac{complete\ problem}{time\ taken}   ..................1

put here value we will get

velocity in problems per hour =  \frac{6}{1.5}

velocity in problems per hour = 4 per hour

so correct option is b. 4 per hour

You might be interested in
Which f the following are true for gravity
alisha [4.7K]

Answer:

Explanation:

number A

6 0
3 years ago
Three cars collide, a 1500 kg sports car, a 1750 kg family car, and a 1200 kg compact car. Which experiences the greatest change
sweet [91]

Answer:

d

Explanation:

This is because momentum is defined as p = mv

delta p = Force *time

neither velocity nor time is given so a conclusion cannot be made on which has the greatest momentum change.

5 0
2 years ago
If Star A is magnitude 1.0 and Star B is magnitude 9.6 , which is brighter and by what factor?
ludmilkaskok [199]

Answer:

Star A is brighter than Star B by a factor of 2754.22

Explanation:

Lets assume,

the magnitude of star A = m₁ = 1

the magnitude of star B = m₂ = 9.6

the apparent brightness of star A and star B are b₁ and b₂ respectively

Then, relation between the difference of magnitudes and apparent brightness of two stars are related as give below: (m_{2} - m_{1}) = 2.5\log_{10}(b_{1}/b_{2})

The current magnitude scale followed was formalized by Sir Norman Pogson in 1856. On this scale a magnitude 1 star is 2.512 times brighter than magnitude 2 star. A magnitude 2 star is 2.512 time brighter than a magnitude 3 star. That means a magnitude 1 star is (2.512x2.512) brighter than magnitude 3 bright star.

We need to find the factor by which star A is brighter than star B. Using the equation given above,

(9.6 - 1) = 2.5\log_{10}(b_{1}/b_{2})

\frac{8.6}{2.5}  = \log_{10}(b_{1}/b_{2})

\log_{10}(b_{1}/b_{2}) = 3.44

Thus,

(b_{1}/b_{2}) = 2754.22

It means star A is 2754.22 time brighter than Star B.

3 0
3 years ago
As Earth moves around the Sun, its _____ is approximately perpendicular to the force of gravity exerted by the Sun.
Bogdan [553]

SORRY i forgot but i think its A because the sun has a really strong gravitational pull


sorry and hope it helps

4 0
3 years ago
Read 2 more answers
John argues that energy is not conserved because when someone presses the brakes in a moving car, kinetic energy is lost. What s
babunello [35]
kinetic energy is converted into elastic potential energy stored in the brakes.
7 0
3 years ago
Other questions:
  • The value of x in the diagram is ___ °.<br><br> 40<br> 50<br> 90<br> 180
    9·1 answer
  • Why can even a small injury to the cornea have a major effect on vision?
    7·1 answer
  • Assume a comet is traveling at a constant velocity in deep space. Why would it speed up as it approaches our solar system?
    5·1 answer
  • The velocity v(t) of a particle as a function of time is given by v(t) = (2.3 m/s) + (4.1 m/s2)t - (6.2 m/s3)t2. What is the ave
    5·1 answer
  • Create a body composition and agility chart.
    5·1 answer
  • One way to describe a wave crest is the amount of ___________ applied over an area.
    5·2 answers
  • A parent swings a 13.5 kg child
    13·1 answer
  • You have gas in a container with a movable piston. The walls of the container are thin enough so that its temperature stays the
    12·1 answer
  • Please help me with this review question.
    11·1 answer
  • A ray of light is incident on a plane mirror at an angle of 30 degree state the angle of reflection?​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!