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
olga_2 [115]
3 years ago
13

Boxes are transported from one location to another in a warehouse by means of a conveyor belt that moves with a constant speed o

f 0.56 m/s. At a certain location the conveyor belt moves for 2.0 m up an incline that makes an angle of 15° with the horizontal. Assume that a 2.1 kg box rides on the belt without slipping. At what rate is the force of the conveyor belt doing work on the box as the box moves up the 15° incline?
Physics
1 answer:
krek1111 [17]3 years ago
6 0

Answer:

P = 15.90 W

Explanation:

given,

speed of conveyor belt = 0.56 m/s

conveyor belt move up to = 2 m      

angle made with the horizontal = 15°

mass of the box = 2.1 kg                      

rate is the force of the conveyor belt doing work on the box as the box moves up                                                  

P = F v cos ∅

P = 3 × 9.8 × 0.56 × cos 15°

P = 15.90 W

You might be interested in
State two units bigger than kilogram and how are they related to kilogram
stealth61 [152]

Answer:

quintal and metric tone.

Explanation:

1 quintal= 100kg

1 metric =1000kg

quintal measures mass of cars, trucks etc, but metric measures bigger things like cargo ships

hope it helps

3 0
3 years ago
Figure 23.9 shows a sliding mass on a spring. Assume there is no friction.
Tom [10]
<span>Without friction, there will be undamped simple harmonic motion. The force of the spring is proportional to the distance from the equilibrium point. The period of oscillation will be independent of the amplitude.

I hope my answer has come to your help. God bless and have a nice day ahead!</span>
4 0
3 years ago
A car accelerates uniformly from rest to a final speed of 19 m/s in 10. seconds. How far does it travel during this period of ac
lions [1.4K]

Answer:

x = 95 [m]

Explanation:

To solve this problem we must use the following equation of kinematics.

v_{f} =v_{o} +a*t

where:

Vf = final velocity = 19 [m/s]

Vo = initial velocity = 0 (starts from the rest)

a = acceleration [m/s²]

t = time = 10 [s]

Now we can find the acceleration

19 = 0 *a*(10)

a = 1.9 [m/s]

With the second equation we can find the distance:

v_{f} ^{2} =v_{o} ^{2} +(2*a*x)

where:

x = distance [m]

(19)² = (0)² + (2*1.9*x)

3.8*x = 361

x = 95 [m]

7 0
3 years ago
A student walks to the right 25-m along the 800 hall in 15-s. They turn around and walk 15-m to the left in 8.0-s. Calculate the
Ludmilka [50]

Answer:

Explanation:

Total distance covered  = 25 + 15 = 40 m

Total time = 15 + 8 = 23 s

Average speed = total distance covered / total time

= 40 / 23

= 1.74 m / s

Total displacement = 25 - 15 = 10 m

Total time = 15 + 8 = 23 s

Average velocity = total displacement / total time

= 10 / 23

= .434 m / s to the right .

3 0
4 years ago
How does a solenoid convert energy from one form to another?​
SIZIF [17.4K]

Answer:

A solenoid is a device comprised of a coil of wire, the housing and a moveable plunger (armature). When an electrical current is introduced, a magnetic field forms around the coil which draws the plunger in. More simply, a solenoid converts electrical energy into mechanical work.

Explanation:

The coil is made of many turns of tightly wound copper wire. When an electrical current flows through this wire, a strong magnetic field/flux is created.

The housing, usually made of iron or steel, surrounds the coil concentrating the magnetic field generated by the coil.

The plunger is attracted to the stop through the concentration of the magnetic field providing the mechanical force to do work.

6 0
3 years ago
Other questions:
  • A 70 watt light bulb is run by a 120 v circuit. how many amps does it use
    10·1 answer
  • How could you keep an object's acceleration the same if the force acting on the object were doubled?
    5·2 answers
  • Dr. Wolski does research on the potential relationship between neurotransmitter deficiencies and mood states. Which psychologica
    5·1 answer
  • What is one physical property of nitrogen?
    13·1 answer
  • Potential energy increases with the greater height mass of an object.True or False
    14·1 answer
  • A tall cylinder contains 20 cm of water. Oil is carefully poured into the cylinder, where it floats on top of the water, until t
    11·1 answer
  • PLEASE HELP
    6·2 answers
  • Earth is approximately a solid sphere. It has a mass of 5.98 x 1024 kg, has a radius of 6.38 x 106 m, and completes one rotation
    8·2 answers
  • What is the electric potential 12 cm away from a charge of –5.2 × 10^–6C?
    7·1 answer
  • A rock is at the top of a 20m tall hill. The rock has a mass of 10kg. How much potential energy does the rock have?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!