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
professor190 [17]
3 years ago
8

A cube with sides of length 2cm has a mass of 7.36g . calculate the density of the cube

Physics
1 answer:
kondor19780726 [428]3 years ago
7 0
Density = 7.36 grams ÷ (2 cm × 2 cm × 2cm) = 0.92 g/cm^3

You might be interested in
The vertical height of an ocean wave from a crest to a trough is 10 meters. What is the amplitude of the ocean wave?
natima [27]

The amplitude of the wave would be 5 meters.
6 0
3 years ago
Read 2 more answers
A spring stretches 0.2 cm per newton of applied force. An object is suspended from the spring and a deflection of 3 cm is observ
siniylev [52]

Answer:

m=1.53kg    

Explanation:

To solve this problem we use the Hooke's Law:

F=k*\Delta x     (1)

F is the Force needed to expand or compress the spring by a distance Δx.

The spring stretches 0.2cm per Newton, in other words:

1N=k*0.2cm ⇒ k=1N/0.2cm=5N/cm  

The force applied is due to the weight

F=mg

We replace in (1):

mg=k*\Delta x  

We solve the equation for m:

m=k*\Delta x/g=5*3/9.81=1.53kg    

7 0
3 years ago
Why does it take the water in a swimming pool some time to heat up during a hot day?
BartSMP [9]
Because the top layer of a pool will be warmer than the bottom layer, that why filtration is important to cycle the water evenly.
5 0
3 years ago
Question 5
goldfiish [28.3K]

Answer:

b

Explanation:

5 0
3 years ago
To drive your car from Auburn to Atlanta (173.8 km) takes a significant amount of work. Assuming the force of friction between t
Daniel [21]

Answer:

1788.402 MJ

Explanation:

Work done = Force (N) x distance (m)

First we have to convert distance into metres:

173.8 x 1000 = 173,800 m

Then plug these values into the equation above:

173,800 x 10290 = 1788402000 J

The reason it's Joules (the unit for energy) is because work done = energy transferred

Now we have to convert Joules into Mega Joules:

1 J = 1/1000000 MJ

1788402000 J = 1788402000/ 1000000 = 1788.402 MJ

5 0
3 years ago
Other questions:
  • When do both hemispheres receive the same amount of the sun’s energy?
    11·2 answers
  • Tyson Gay's best time to run 100.0 meters was 9.69 seconds. What was his average speed during this run, in miles per hour? (3.28
    15·2 answers
  • In a hydraulic system, a 100.-newton force is applied to a small piston with an area of 0.0020 m2 . What pressure, in pascals, w
    13·2 answers
  • Why is it important to understand the concept of density ?
    13·1 answer
  • - A ball is thrown at a wall 50 meters away. It takes the ball 5 seconds to get to
    5·1 answer
  • Please help me<br> gqvebqubgk yfawcyvgkbuh
    11·2 answers
  • Complete the following sentence. Pressure in a liquid depends on the __________ of the liquid.
    11·1 answer
  • An 80-kg football player travels to the right at 8 m/s and a 120-kg player on the opposite team travels to the left at 4.0 m/s.
    5·1 answer
  • Which equation can be used to calculate the normal force on an object if you know the speed of the object, the coefficient of ki
    8·1 answer
  • A 29.0 kg beam is attached to a wall with a hi.nge while its far end is supported by a cable such that the beam is horizontal.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!