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
Natalka [10]
2 years ago
15

I need help ASAP please :)

Physics
1 answer:
rusak2 [61]2 years ago
7 0

Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = Vd), while the volume is equal to the mass divided by the density (V = M/d).

M = V d

M = 1.4 * 2 = 2.8 kg

You might be interested in
Which uses motion of water in nature to produce electricity?
Zinaida [17]

Answer: D. Hydroelectric power

Explanation: Hydroelectric means water power (not exactly but "hydro" is water and electric is well self explanatory)

6 0
3 years ago
One of the most important properties of materials in many applications is strength. Two of the qualitative measures of the stren
katrin2010 [14]

To solve this exercise it is necessary to take into account the concepts related to Tensile Strength and Shear Strenght.

In Materials Mechanics, generally the bodies under certain loads are subject to both Tensile and shear strenghts.

By definition we know that the tensile strength is defined as

\sigma = \frac{F}{A}

Where,

\sigma =Tensile strength

F = Tensile Force

A = Cross-sectional Area

In the other hand we have that the shear strength is defined as

\sigma_y = \frac{F_y}{A}

where,

\sigma_y =Shear strength

F_y = Shear Force

A_0 =Parallel Area

PART A) Replacing with our values in the equation of tensile strenght, then

311*10^6 = \frac{F}{(15*10^{-6})(30*10^{-2})}

Resolving for F,

F= 1399.5N

PART B) We need here to apply the shear strength equation, then

\sigma_y = \frac{F_y}{A}

210*10^6 = \frac{F_y}{15*10^{-6}30*10^{-2}}

F_y = 945N

In such a way that the material is more resistant to tensile strength than shear force.

6 0
3 years ago
Can someone plz answere my question<br> for science
klio [65]
Whats the question?
djdkkd
5 0
2 years ago
What is the momentum of an object that has a mass of 0.03 grams and a velocity of 1200 m/s2
ruslelena [56]

answer is 36

because the formulae of momentum is

mass×velocity

3 0
2 years ago
Help me pls
liubo4ka [24]

Answer:

D

Explanation:

5 0
2 years ago
Other questions:
  • It is winter in Puerto Rico. Compare the air temperatures beachgoers feel near the water
    8·1 answer
  • In general, which of the following is NOT a critical skill for participating in a sport? A. agility and balance B. endurance and
    13·2 answers
  • In winter why do water tanks start freezing from surface and not from bottom
    10·1 answer
  • What problems would we have if Pascal had failed to give the Pascal's law? Write some points.
    11·2 answers
  • How does emission spectra occur?
    13·1 answer
  • A car travelling on a straight road initially at 45 km/h accelerates for 5.0 s at a constant acceleration of 8.0 m/s2. What is t
    14·1 answer
  • Which of the following is not an electromagnetic wave
    15·1 answer
  • What is another way to describe the vector 100 m/s down
    5·1 answer
  • Anyone know the answer
    15·1 answer
  • What dangers would divers face if they descended quickly to a great depth
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!