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
sammy [17]
3 years ago
6

1. You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. The ball has ________________

______ energy. Calculate it.
2. A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weighs 12 N. The carriage has ____________ energy. Calculate it.











3. A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. The car has ___________energy. Calculate it.
Biology
1 answer:
Wittaler [7]3 years ago
5 0
The energy is potential energy.
You might be interested in
Why would it be advantageous to have more or fewer bones in the pectoral girdle?
True [87]

<u>Answer:</u>

<em>It is advantageous to have  lesser number of bones in the pectoral girdle.</em>

<u>Explanation:</u>

Pectoral girdle is made up by the bones that connect the upper limbs to the appendicular skeleton  which includes all the limb bones. Pectoral girdle in humans is made up of two bones. They are clavicle (collar bone) and scapula. The pectoral girdle allows the free movement of upper limbs.

The bones of pectoral girdle are not as massive as the bones of pelvic girdle since it doesn’t have the function of support. Lesser number of bones in pectoral girdle makes  movement of upper limbs more free.

6 0
3 years ago
In order to be considered work, the components that must be present are (2 points)
Nikolay [14]
Force and displacement must be present according to formula and if asking about components then maybe X and Y
8 0
4 years ago
The corpora quadrigemina are found in the ________.
Bas_tet [7]
Its found in the tectum of the dorsal aspect of the midbrain
5 0
3 years ago
Which type of human population is characterized by the lag phase, being able to raise crops and domesticated animals, but having
nasty-shy [4]

Answer:

Rural population.

Explanation:

The rural population of humans is characterized by the lag phase because they are linked with farming of crops and domesticated animals. This population is responsible for the soil erosion and food shortages over the country because they are the producers of everything for the food industry. Due to farming methods, soil erosion occurs that leads to the depletion of nutritive part of the soil that causes less productivity of the crop and as a result food shortage occur.

6 0
3 years ago
Calculate the density of sulfuric acid if 45 mL of the acid weighs 100g.
Lena [83]

Answer:

\boxed{\sf Density = 2.23 \ g/mL}

Given:

Mass = 100 g

Volume = 45 mL

To Find:

Density

Explanation:

Formula:

\boxed{ \bold{Density = \frac{Mass}{Volume}}}

Substituting value of mass & volume in the formula:

\sf \implies Density =  \frac{100}{45} \\  \\   \sf \implies Density =  2.23 \: g/mL

4 0
3 years ago
Other questions:
  • What does carbohydrates give to the body
    14·1 answer
  • Item 10
    14·1 answer
  • On average, what percentage of infants born to 45-year-old mothers have down syndrome
    14·1 answer
  • The atomic mass of the most common isotope of carbon is _______.
    9·2 answers
  • How has technology helped reduce the spread of infectious disease?
    11·1 answer
  • A condition in which the gametes are similar in shape but different in size is _____.
    11·2 answers
  • How do astronomers rate the magnitude of a star?
    15·1 answer
  • The amino acids coded by specific condons
    7·1 answer
  • You learned about the aptly named enzyme Citrate Synthase. There are more enzymes that count citrate as substrate or product. Co
    8·1 answer
  • Plz help
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!