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
guajiro [1.7K]
3 years ago
11

How can you use the graph of velocity versus time to estimate the acceleration of the ball?

Physics
2 answers:
kenny6666 [7]3 years ago
7 0

Answer: acceleration = slope  graph velocity vs time

Explanation: if you have the graph of velocity vs time , the slope of that graph equals the acceleration of our object assuming constant acceleration...but remenber por a real object is really hard to keep constant acceleration

Brrunno [24]3 years ago
7 0

Explanation:

The velocity vs time graph is used to find the acceleration of an object. The slope of a graph is given by :

m=\dfrac{y_2-y_1}{x_2-x_1}

Also, the rate of change of velocity is called the acceleration of an ball.

So, the slope of velocity time graph is used to estimate the acceleration of the ball.

You might be interested in
A roller coaster cart of mass m = 223 kg starts stationary at point A, where h1 = 26.8 m and a while later is at B, were h2 = 14
Tresset [83]

Answer:

vB = 15.4 m/s

Explanation:

Principle of conservation of energy:

Because there is no friction the mechanical energy is conserve

ΔE = 0

ΔE : mechanical energy change (J)

K : Kinetic energy (J)

U: Potential energy (J)

K = (1/2)mv²

U = m*g*h

Where :

m: mass (kg)

v : speed (m/s)

h : hight (m)

Ef - Ei = 0

(K+U)final - (K+U)initial =0

(K+U)final = (K+U)initial

((1/2)mv²+m*g*h)final = ((1/2)mv²+m*g*h)initial , We divided by m both sides of the equation:

((1/2)vB² + g*hB = (1/2 )vA²+ g*hA

(1/2) (vB)² + (9.8)*(14.7) =  0 + (9.8)(26.8 )

(1/2) (vB)² = (9.8)(26.8 ) - (9.8)*(14.7)

(vB)² = (2)(9.8)(26.8 - 14.7)

(vB)² = 237.16

v_{B} = \sqrt{237.16}

vB = 15.4 m/s : speed of the cart at B

4 0
3 years ago
Jane is sliding down a slide. What kind of motion is she demonstrating?
Over [174]
When Jane is sliding down a slide, she is demonstrating translational motion. 
5 0
3 years ago
gravity is a force between any two objects with mass. why doesn't a person feel a gravitational force between him/herself and an
antiseptic1488 [7]

Answer:

c)the gravitational forces of people is so small it is overshadowed by that of earth.

Explanation:

The gravitational force between two objects is given by:

F=G\frac{m_1 m_2}{r^2}

where

G is the gravitational constant

m1 and m2 are the masses of the two objects

r is the distance between the two objects

From the formula, we see that the gravitational force depends on the masses of the objects: since the mass of the Earth (5.97\cdot 10^{24} kg is much much larger than the average mass of one person (80-100 kg), then the gravitational force exerted by the Earth on a person is also much much larger than the gravitational force between two people.

4 0
3 years ago
Read 2 more answers
A boat is towing two skiers at the same time. how long should the tow lines be?
BigorU [14]
The tow lines for the two skiers must be of the same length. No matter the number of skiers towed, the length of the tow lines must be the same. Towing people on ski requires additional skills and some safety precautions must be taken. Most importantly, it is dangerous and illegal to tow at night. 
4 0
3 years ago
The answer is -7m, but I don’t know how that’s the answer. Can anyone explain?
atroni [7]

Explanation:

At first it is in 14m position but position doesn't matter in displacement, similar case for time taken.

So at first it travels 6m in positive direction.

So displacement= 6m

Then it travels 13 in opposite or negative direction.

So displacement = 6 -13 m = -7 m

Hope it helps ya

8 0
2 years ago
Read 2 more answers
Other questions:
  • The chemical substances in food that help maintain our body are known as what?
    8·2 answers
  • A block of height 120mm is placed on top of another block with a height of 1.50 m. What is the height of the two blocks together
    9·1 answer
  • A space station, in the form of a wheel 140 m in diameter, rotates to provide an "artificial gravity" of 3.90 m/s2 for persons w
    14·1 answer
  • An iron nail is driven into a block of ice by a single blow of a hammer. The hammerhead has a mass of 0.5 kg and an initial spee
    6·1 answer
  • Describe the electromagnetic spectrum, electromagnetic waves, and give two examples of different types of electromagnetic waves.
    11·1 answer
  • A child swings on a playground swing. How many times does the child swing through the swing's equilibrium position during the co
    14·1 answer
  • What kind of proof is required when disproving old ideas?
    9·1 answer
  • A pilot must fly his plane due north to reach his destination. The plane can fly at 300 km/h in still air. A wind is blowing out
    13·1 answer
  • Why the efficiency of heat engine is always less than 100%​
    10·2 answers
  • Which statement best defines work? (2 points) Group of answer choices
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!