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
Anon25 [30]
3 years ago
9

_____ is the rate of change in velocity.

Physics
2 answers:
kogti [31]3 years ago
5 0

Answer:

Acceleration

Explanation:

<u>Acceleration</u> is the rate of change in velocity. Mathematically, it is given by :

a=\dfrac{v-u}{t}

Where

v = final velocity of an object

u = initial velocity of an object

t = time taken

It can also be written in differentiating form as :

a=\dfrac{dv}{dt}=\dfrac{\Delta v}{\Delta t}

For an freely falling object, the value of acceleration is equal to g i.e. 9.8 m/s².

neonofarm [45]3 years ago
3 0
Acceleration is the rate of change in velocity
You might be interested in
Use the following photoelectric graph to answer the following question:
8090 [49]

Answer:

2.9 E14 Hz

Explanation:

As we know by Einstein's equation that energy incident on the photo sensitive surface will be used by the surface to eject electron out of the surface with some kinetic energy.

This is given by

E = \phi + KE

now the threshold frequency is the minimum frequency of the incident photons due to which electrons are ejected out with minimum kinetic energy or least kinetic energy.

So here when KE = 0 in the graph then corresponding to that position the frequency will be given as threshold frequency

so here from graph when KE = 0

f = 2.9 E14 Hz

8 0
3 years ago
Sort the processes based on the type of energy transfer they involve.??
klemol [59]
The 1st one goes two added sodoes the second one then the third goes to removed then the fourth goes to added and the rest go to removed
3 0
3 years ago
Read 2 more answers
Calculate the energy needed to heat 4 kg of water from 25°C to 45°C.
inna [77]
(1 cal/g °C) x (4000 g) x (45 - 25)°C = 80000 cal = 80 kcal. So the answer is 80 kcal .
8 0
3 years ago
Read 2 more answers
The body went 450 meters within 30 seconds of starting the movement. In what time did the first 50 meters go?
Andrew [12]

3.33 seconds.

<u>Explanation:</u>

We can find the speed of the body using the formula,

Speed = Distance traveled in meters /  time taken in seconds

= 450 m / 30 seconds

= 15 m/s

So per second the distance traveled by the body is 15 m.

So time needed to travel 50 m can be found as,

time = distance/speed

= 50 m / 15 m /s

= 3.33 s

8 0
3 years ago
HELPPP 40 POINTS!!!! Mr. Tedesco has two metal cubes, one made of
arsen [322]

Answer: Heat energy is transferred from warmer objects to cooler objects.

Explanation:

5 0
3 years ago
Other questions:
  • A proton is moving at 105 m/s at a point where the potential is 10 V. Later, it is at a place where the potential is 5 V. What i
    11·1 answer
  • What type of muscle is attached to a bone to aid with movement? a. skeletal. c. smooth. b. cardiac. d. none of the above.
    6·1 answer
  • Explain why a chlorinated swimming pool water would be a homogenous mixture?
    7·1 answer
  • Nisha was making a list of things that are obtained from plants and Amol was making a list of things that can dissolve in water.
    7·1 answer
  • If a toy car has a centripetal acceleration of 50 m/s2 and was making the turn at 10 m/s. what was his radius
    9·1 answer
  • #37, what is this answer ?
    15·1 answer
  • The angle between reflected ray and the normal line is
    11·1 answer
  • Which of the following is an example of heat transfer by convection?
    13·1 answer
  • HURRY ILL GIVE 15 POINTS
    12·1 answer
  • A student runs up a flight of stairs which info is not needed to calculate the rate of the student is doing work against gravity
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!