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
g100num [7]
3 years ago
9

The acceleration of a sprinter is 10 m/s2. The force exerted on the starting blocks is 650 N. What is the mass of the sprinter?

Force = Mass = Acceleration =
Chemistry
2 answers:
anastassius [24]3 years ago
6 0

Answer:

The mass of sprinter is 65 kg.

Explanation:

Force is defined as the push or pull on an object with some mass that causes change in its velocity.

It is also defined as the mass multiplied by the acceleration of the object.

Mathematically,

F=ma

where,

F = force exerted on starting blocks = 100 N

m = mass of the sprinter = ?

a = acceleration of the sprinter = 10 m/s^2

Putting values in above equation, we get:

650 kg.m/s^2=m\times 10m/s^2\\\\m=\frac{650 N}{10 m/s^2}=65kg

Hence, the mass of sprinter is 65 kg.

jek_recluse [69]3 years ago
5 0

The relation between force, mass of an object and its acceleration is given by following equation

F = mass of object X acceleration

The unit of Force is Newton (N)

unit of acceleration is ms⁻²

unit of mass if Kg

[all these are SI units]

Mass of object =\frac{Force}{acceleration}

mass of sprinter =\frac{650}{10}=65kg

You might be interested in
Which statements describe an element? Check all that apply.
Molodets [167]

Answer:

<em>Hello, Your answer will be B,C,E, And F.</em>

Explanation:

An element is a substance whose atoms have same number of protons which means all atoms in an element have same atomic number. Elements are simplest substances which cannot be broken down by physical changes or chemical reactions. Elements are classified by their names and symbols. Hope That Helps!

8 0
3 years ago
What is the conclusive evidence that mixing sugar in the water is a physical change
djyliett [7]
THE DEFINITION OF PHYSICAL CHANGE: Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds. so the answer is that the form of the sugar is changing in water but if you boiled the water till its all evaporated all that will be left is the sugar
8 0
4 years ago
What is the frequency of a wave with a wavelength of 6.40x10^4 meters?
yKpoI14uk [10]

Answer:

frequency = 0.47×10⁴ Hz

Explanation:

Given data:

Wavelength of wave = 6.4× 10⁴ m

Frequency of wave = ?

Solution:

Formula:

Speed of wave = wavelength × frequency

Speed of wave = 3 × 10⁸ m/s

Now we will put the values in formula.

3 × 10⁸ m/s = 6.4× 10⁴ m × frequency

frequency = 3 × 10⁸ m/s / 6.4× 10⁴ m

frequency = 0.47×10⁴ /s

s⁻¹ = Hz

frequency = 0.47×10⁴ Hz

Thus the wave with wavelength of 6.4× 10⁴ m have 0.47×10⁴ Hz frequency.

4 0
3 years ago
Read 2 more answers
Two categories of compounds are
crimeas [40]

Answer is: (3) ionic and molecular.

Ionic compounds are made of ions held together with ionic bonds.

Ionic bond forms when a cation transfers its extra electron to an anion who needs it.  

For example compound magnesium chloride (MgCl₂) has ionic bond (the electrostatic attraction between oppositely charged ions).  

Magnesium (metal) transfers two electrons (became positive cation) to chlorine (became negative anion).  

Molecular compounds are made up of molecules whose atoms are connected with covalent bonds.

Covalent bond is bond between nonmetals.  

For example, molecule carbon monoxide CO has covalent bond.

Carbon (C) and oxygen (O) are nonmetals.  

Carbon atom and oxygen atom are connected by a triple bond (six shared electrons in three bonding molecular orbitals) that is formed of two covalent bonds and one dative covalent bond.  

4 0
3 years ago
Read 2 more answers
What is the chemical formula of the following compound
OLga [1]
A. C3H10 is the answer
6 0
3 years ago
Other questions:
  • According to Newton’s second law of motion, when an object is acted on by an unbalanced force, how will that object respond? It
    12·1 answer
  • What is the relative atomic mass of thallium?
    6·2 answers
  • Which process is an example of a chemical change? drying clothes in the dryer heating a cup of tea chopping a tree activating a
    8·1 answer
  • . KMnO4 oxidizes ethyl benzene to benzoic acid. If this reaction generally results in a 40 % experimental yield, how many grams
    8·1 answer
  • If anybody wanna be friends drop your snap below
    13·1 answer
  • Zinc-64 undergoes beta decay as shown:
    12·1 answer
  • Examples of fossil fuels are
    8·1 answer
  • Which properties do all solids share?
    10·1 answer
  • PLS HELP ASAP I WILL GOVE BRAINLYEST
    9·1 answer
  • While finding the number of molecules of oxygen molecules present in 3.65 moles of Na2SO4 the conversion factor used would be
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!