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
aliina [53]
3 years ago
10

4. State in words how acceleration is calculated.

Physics
1 answer:
dimaraw [331]3 years ago
4 0
You multiply force times friction
You might be interested in
Can an object accelerate even if it's speed is constant plzzzzzz answer
11Alexandr11 [23.1K]
Acceleration does NOT mean speeding up. It means any change in the speed or direction of motion.

Speeding up, slowing down, and moving along a curve are all "acceleration".

If an object's speed is constant but it's not moving in a straight line, then it's accelerating.
3 0
4 years ago
A ball is thrown straight up at time t=0 with an initial speed of 19m/s. Take the point of release to be y0=0 and upwards to be
Wittaler [7]
First we write the corresponding kinematics equations:
 a = -g
 v = -g * t + vo
 y = -g * ((t ^ 2) / 2) + vo * t + yo
 Substituting the values:
 y = - (9.81) * (((0.50) ^ 2) / 2) + (19) * (0.50) + (0) = 8.27m
 answer:
 the displacement at the time of 0.50s is 8.27m
4 0
3 years ago
O gás oxigênio necessário a respiração para a síntese de glicose pode ser em certas condições explicado pelo modelo de gás ideal
Marat540 [252]

Answer:

Em 64 g de gás oxigênio no cilindro de mergulho, existem 2 moles de gás oxigênio e (1,20 × 10²⁴) moléculas de gás oxigênio.

In 64 g of Oxygen gas in the diving cylinder, there are 2 moles of Oxygen gas and (1.20 × 10²⁴) molecules of Oxygen gas.

Explanation:

O número de moles de um elemento é dado como

Número de moles = (Massa / Massa molar) Massa de gás oxigênio no cilindro de mergulho = 64 g

Massa molar de oxigênio gás = 32.0 g / mol

Número de moles de gás oxigênio no cilindro de mergulho = (64/32) = 2 moles

O número de moléculas em 1 mole de qualquer substância = (6,0 × 10²³)

O número de moléculas em 2 moles de oxigênio no cilindro de mergulho = 2 × (6,0 × 10²³) = 12,0 × 10²³ = (1,20 × 10²⁴) moléculas

Espero que isto ajude!!!

English Translation

The number of moles of an element is given as

Number of moles = (Mass/Molar Mass)

Mass of Oxygen gas in the diving cylinder = 64 g

Molar Mass of Oxygen gas = 32.0 g/mol

Number of moles of Oxygen gas in the diving cylinder = (64/32) = 2 moles

The number of molecules in 1 moles of any substance = (6.0 × 10²³)

The number of molecules in 2 moles of Oxygen in the diving cylinder = 2 × (6.0 × 10²³)

= 12.0 × 10²³ = (1.20 × 10²⁴) molecules

Hope this Helps!!!

6 0
3 years ago
Where on the table would a group’s ionization energy be the greatest?
ANEK [815]

Explanation:

The first ionization energy varies in a predictable way across the periodic table. The ionization energy decreases from top to bottom in groups, and increases from left to right across a period. Thus, helium has the largest first ionization energy, while francium has one of the lowest.

6 0
4 years ago
A 2 kg melon is balanced on your bald uncle’s head. His son, Throckmorton, shoots a 50 g (0.05kg) arrow at it with a speed of 30
sineoko [7]

Answer:

The speed of the melon as it flies off the man’s head is 0.3 m/s.

Explanation:

Given;

mass of the melon, m₁ = 2 kg

initial speed of the melon, u₁ = 0

mass of arrow, m₂ = 0.05 kg

initial speed of the arrow, u₂ = 30 m/s

final speed of the arrow, v₂ = 18 m/s

let v₁ be the final speed of the melon as it flies off the man's head.

Apply the principle of conservation of linear momentum;

m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂

2(0) + 0.05 x 30 = 2v₁  + 0.05 x 18

1.5 = 2v₁ + 0.9

2v₁ = 1.5 - 0.9

2v₁ = 0.6

v₁ = 0.6 / 2

v₁ = 0.3 m/s

Therefore, the speed of the melon as it flies off the man’s head is 0.3 m/s.

4 0
3 years ago
Other questions:
  • A curium-242 (Z= 96) can be produced by positive-ion bombardment when an alpha particle collides with which of the following nuc
    14·1 answer
  • Fluid pressure ____________ as depth ____________.
    12·1 answer
  • A front wheel drive car starts from rest and accelerates to the right. Knowing that the tires do not slip on the road, what is t
    9·1 answer
  • HELP ASAP PLEASE HELP!
    8·2 answers
  • Which position-time graph matches the velocity-time graph?
    9·1 answer
  • An airplane traveling at 60 m/s comes to a stop in 10 seconds. Calculate the airplane’s acceleration. Show the appropriate formu
    12·2 answers
  • The average flight speed of a bald eagle is about 50 Km/h. A scientist has measured and equal flying 80 Km/h. How is this possib
    11·1 answer
  • What type of greenhouse gas is released when coal is burn
    8·1 answer
  • Write the chemical equation of rust ​
    10·2 answers
  • A police car is traveling due east at a speed of 15.0 m/s relative to the earth. You are in a convertible following behind the p
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!